About us

The Microsoft Casual Games Studio has revolutionized the most popular genres of casual games, bringing a fresh twist to classic favorites that have been delighting fans for OVER 30 Years! With features like Daily Challenges, Events, Collections, Achievements and Rewards, we are dedicated to delivering great Casual Game experiences for players of all ages.

As a collaborative team who loves making games as much as we love playing them, we work hard to add new content and excitement for players to enjoy around the world. Whether you play on Windows 10, iOS, Android, or Web, we believe in building community through FUN. When Everyone Plays, Everyone WINS!

We are thrilled to have celebrated the 30th Anniversary of two of our most beloved games - Microsoft Minesweeper (1989) and Microsoft Solitaire (1990). Microsoft Solitaire remains the most played video game of ALL TIME! Inducted into the Video Game Hall of Fame in 2019, millions of players choose Microsoft Casual Games because we offer the BEST experiences for anyone from age 8 to 108. Simple rules and straightforward gameplay deliver FUN for everyone.

Thank you for your continued passion and love of PLAY! We are proud to be part of your daily choice of games.

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Microsoft Solitaire Collection

Celebrating over 30 Years (since 1990) - Microsoft Solitaire remains one of the most played video games of ALL TIME!

Simple rules and straightforward gameplay make it easy for anyone to pick up and play. With new features, collections, daily challenges and monthly events, Microsoft Solitaire Collection continues to be a digital sensation.


This version is the timeless classic that many people just call "Solitaire." Try to clear all the cards from the table using one or three-card draw, while using traditional scoring or the Vegas scoring system.


Eight columns of cards await your attempts to clear them with the fewest moves possible. Start out playing with a single suit until you’re comfortable, and then see how you fare when using two or even all four suits in a game.


Use four extra cells to move cards around as you try to clear all cards from the table. More strategic than the Klondike version, FreeCell rewards players who think several moves ahead.


Select cards in a sequence, either up or down, to earn points and clear the board. How many boards can you clear before you run out of deals?


Pair two cards that add up to 13 in order to remove them from the board. Try to reach the top of the pyramid. See how many boards you can clear and how high you can score in this highly addictive card game!

Daily Challenges

Players receive new challenges each day. Complete enough Daily Challenges in a month to earn badges and compete with your friends.

Choose Your Theme

The Microsoft Solitaire Collection features several beautiful themes, from the simplicity of "Classic" to the serenity of an Aquarium that comes to life before you while you play. Now you can even create custom themes from your own photos!

Xbox Integration

Log in with your Microsoft account to earn achievements, compete with your friends, submit your scores to the leaderboards, and save your statistics and games in the cloud!

Play Now!

Microsoft Mahjong

Enjoy gorgeous graphics, relaxing sounds, and the tile-matching fun of Mahjong on Windows 10. Or take the tranquil play of Mahjong with you in our newest mobile app, Mahjong by Microsoft – now available on iOS or Android. Relax as you earn points completing beautiful mahjong puzzles. Complete Daily Challenges to earn monthly badges, use HINTS or the UNDO feature, and enjoy unique themes and tile sets as you solve hundreds of puzzles in the popular game of strategy, memory, and skill. Sign in with your Microsoft Account to collect achievements, save your progress, and climb the leaderboard in each game.

Microsoft Mahjong, On Windows 10:

Choose from four (4) levels of difficulty, perfect for Mahjong beginners and experts alike. Daily Challenges offer unique game play modes like Golden Tiles, where your only goal is to uncover and match the hidden pairs of golden tiles. Earn badges for the number of challenges you complete each month.

Mahjong by Microsoft, on Mobile:

Play five (5) Daily Challenges offering additional game modes like Classic, Golden Tiles, Lightning Tiles, Match Attack and Score Attack. Turn on the timer to challenge your speed, or play at your own pace, unlocking backgrounds and tile sets as you progress. Bookmark your favorite puzzle boards to play again and again.

No matter where you play, escape on a peaceful journey in Microsoft Mahjong games on Windows or Mobile.

Play Now!

Microsoft Jigsaw

With multiple game modes, downloadable puzzle packs, and the ability to create your own custom puzzles, you will never run out of things to do in Microsoft Jigsaw!

Classic Jigsaw Mode

Play a wide variety of traditional jigsaw puzzles in Classic Jigsaw mode. Microsoft Jigsaw includes tons of themes and puzzle images to choose from, and you can select the number of pieces in the puzzle to make it easier or more difficult. You can zoom, automatically arrange pieces, and use special in-game trays to help sort pieces. If you enjoy real jigsaw puzzles, Microsoft Jigsaw is the best PC and tablet classic jigsaw experience you’ll find!

Jigsaw Jam

Jigsaw Jam is a fun upbeat new game mode that's excellent for beginners and experts alike! Place pieces one at a time while the timer ticks away - find the right fit for each piece quickly to earn bonus multipliers and get a high score! Jigsaw Jam is very easy to play, but will be challenging to master.

Custom Puzzles

Why not turn your favorite memory or funniest photo into a jigsaw puzzle? With Microsoft Jigsaw, you can import your own photos from your device or camera to use in your puzzles! You can even export your custom puzzles and share them with your family and friends.

Daily Challenges

The same Daily Challenge experience you know and love from our other Microsoft games on Windows 8 comes to Microsoft Jigsaw! Players receive a set of challenges each day, including fresh Jigsaw variants and new game modes. Complete enough Daily Challenges in a month to earn badges and compete with your friends.

Xbox Support

Log in with your Xbox account to earn achievements, compete with your friends, submit your scores to the leaderboards, and track your personal gameplay statistics. If you use your Xbox account to sign in, your games will be saved in the cloud, so you can play from any supported device.

Play Now!

Microsoft Minesweeper

Featuring adjustable difficulty, classic Minesweeper gameplay, and a brand new Adventure mode, Microsoft Minesweeper is better than ever.

Classic Mode

Play the logic game you know and love, now with updated graphics and sound. Play with a touch screen or with a mouse and keyboard to mark the locations of all the mines without uncovering any of them! Start with an Easy puzzle and work your way up to Expert.

Adventure Mode

Players who want a different kind of challenge can try this brand new game mode! Use your skills in Adventure mode to guide your brave hero to the center of Earth, collecting riches along the way. Blending traditional Minesweeper rules with fun new goals, Adventure Mode is a fresh take on a classic!

Daily Challenges

Players receive new Challenges every day. Complete them to earn prizes and compete with your friends!

Xbox Integration

Log in with your Xbox account to earn achievements, compete with your friends, and more. You can even play, pause, and resume your game on any Windows 8 device - start a game on one device, pause it, and pick up on another device where you left off!

ESRB: E, PEGI: 3 (Mild Fantasy, Mild Violence)

Play Now!

Microsoft Sudoku

Bringing the classic game you love to a whole new light! The #1 logic puzzle game has turned up the brilliance with fresh colors, exciting new features, new levels of difficulty, daily challenges, achievements and MORE!

New Ways to Play

Find New Ways to Play in Irregular & Ice Breaker Mode. Choose your theme to play with numbers or charms. Set your own level of difficulty, erase, undo, or take notes as you improve your skills, master new levels, and earn XP.

Keep your mind sharp with endless brain training puzzles for players of all ages!

Play Now!

Microsoft Treasure Hunt

Microsoft Treasure Hunt builds on Microsoft Minesweeper for Windows 8's Adventure mode experience. Mark suspicious terrain and plan your moves carefully to uncover tools, weapons, and even hidden bonus levels filled with loot. Using the gold you collect, purchase supplies and permanent upgrades for your journey deep underground.

Exhilarating Adventure

Intrepid treasure hunters will amass astonishing riches, but watch out! It will take all your wits to navigate the twists, turns, and traps that stand in your way! The expedition will take you deep down toward the center of the earth. How far will you go?

Xbox Integration

Sign in with your Microsoft account to earn Xbox achievements, show off your highest scores on the leaderboards, and save your game in the cloud to use across multiple devices.

ESRB: E, PEGI: 3. (Mild Fantasy, Mild Violence)

Play Now!

Microsoft Ultimate Word Games

Check out the latest addition to the Microsoft Casual Games product family! Microsoft Ultimate Word Games is the ultimate collection of the three best word games for Windows 10, including Crosswords, Wordament, Jumble. With multiple ways to play each game mode and Daily Challenges, Microsoft Ultimate Word Games is a great way to exercise your brain and relax while having fun!


The best Crosswords game you’ll find anywhere! With multiple board sizes, difficulties, and plenty of options, you can play Crosswords exactly the way you want!


The evolution of the hit-game on Windows, iOS, and Android. Find as many words as you can on a 4x4 grid of letter tiles. Play single player or multiplayer versus thousands of players at once!


Jumble is a super-addictive game where you are given a rack of letter tiles, and your goal is to create words using them.

Single Player Adventures

Each game mode has multiple adventure maps where you can earn 3 possible stars on each puzzle. Earn at least one star to unlock the next puzzle and see if you can reach the treasure at the end of each map!

Daily Challenges

Each game has a unique Daily Challenge every day. Complete enough Daily Challenges in a month to earn special badges.

Xbox Live Integration

Sign in with your Microsoft account to earn achievements, compete with your friends on the leaderboards, and track your personal gameplay statistics. If you sign in with a Microsoft account, your progress is stored in the cloud so you can play the game anywhere no matter what happens to your device!

Play Now!

Wordament (Android, iOS)

Announcement: Wordament for PC has been rolled into an exciting new game from the Microsoft Casual Games Studio: Ultimate Word Games!

...but you can still download the mobile version of Wordament for iOS and Android from the links on this page.

Why play against one person in a turn when you can play against thousands at once? Wordament® is a real-time continuous word tournament. Players compete on the same board with everyone at once. Rounds offer challenges such as two- and three-letter tiles, themed words, speed rounds and more. You can be a champion in many ways: find the most words possible, earn the best score, find the longest words, best your Frenemies, or beat your top score. How you win is up to you.

Wordament tracks your progress by maintaining rich statistics about your gameplay including your best word found, total score, best word count, first place finishes and more. Xbox Leaderboards show you who's rocking it for the day, hour and overall. Climb the ranks and earn achievements and bragging rights along the way. Will you be our next champion?

Play Now!

Microsoft Casual Games - Advertising Specs


Ad Components

File Type


Max File Size

Backup Image


300x250, 728x90

40 KB

Initial File Download


* Flash NOT supported

300x250, 728x90

40 KB

Rich Media

In-Banner Video

* See expanded specs below

300x250, 728x90

200 KB Initial

100 KB


In-Banner Video

Animation / Video Guidelines:

(See notes below)

Minimum 24 fps for video

15 sec max length (unlimited user-initiated)

1.1 MB additional file size allowed for host-initiated video

Unlimited file size for user-initiated video

Audio Initiation

Must be user initiated (on click: mute/ un-mute); default state is muted

Z-Index Range

0 - 4,999

Minimum Required Controls

Controls = Play, Pause, Mute (volume control to zero (0) output may be included instead of or in addition to Mute control)

Linear VPAID Video

Review the complete specs here.

Video Notes:

Required for ads with video: Video may omit controls until user initiates interaction. Upon user interaction, video controls must include Play, Pause, Mute or volume control to zero (0) output for videos that expand out of initial ad upon interaction. For auto play videos that play in banner only Mute or volume control to zero(0) is required.

HTML5 video controls: To improve performance and reduce file size, use control attributes in the HTML5 video tag for controls instead of providing custom assets for displaying controls.

Adaptive bitrate streaming: HTML5 does not support streaming video, but it can simulate a streaming experience using adaptive bitrate streaming technologies such as HLS and MPEG-DASH. Formatting files for adaptive bitrate streaming enables a smoother viewer experience. Adaptive bitrate streaming uses short fragments (2-3 seconds) of the video at different quality levels and stores them in a playlist file such as M3U8. During playback, the player detects bandwidth at the start of each fragment and plays the fragment at the quality level best suited to the bandwidth and player environment. Common protocols for adaptive bitrate streaming include HTTP Live Streaming (HLS) in the US and MPEG-DASH in the EU.

Video codec: Use MPEG-4 (MP4) file formats for H.264-encoded video for a more seamless delivery across devices. The H.264 codec should use a Baseline profile to allow for more diverse execution in systems that range from a cellular connection on a mobile screen to a high-speed cable connection on an HTTP-connect TV screen. For audio, AAC is more widely supported (PCM audio is unsupported in Flash players).

Video format: At a minimum, the MP4/H.264 file format should be provided, but alternate files using formats such as WebM and VP8 may also be submitted.

The MOOV atom: Use the web-optimized setting when encoding the MP4 file, which sets the MOOV (movie) atom at the start of the file.

General Ad Specifications


Initial size ad creative must feature a 1 pixel border (gray [#666666] or black recommended, though any color that clearly distinguishes the ad from the content may be used).

Animation / Looping Limit

Allowed; duration 15 seconds


Audio must be user-initiated and never automatic. Audio on/off toggle button must be present at all times when sound is available. All ad audio must be muted or paused on clickthrough.

HTML5 Required

Conform to all IAB standards

SSL Compliance


Microsoft Casual Games requires SSL ad serving. Both ads and tracking tags must be SSL compliant. Ads that are not SSL compliant will not be accepted. All 3rd party content must serve SSL (https) compliant ads.


A value less than 30,000 is required so the service bar and mega menu do not drop behind the ad.

Click URLs

Click destination URL must open in a new browser.

Data Collection

Microsoft permits advertisers to collect user-provided personal information (for example, through web forms embedded in ads). Advertisers may be required to modify ad units or provide additional disclosure in order to be acceptable for advertising on Microsoft sites.

Advertisers wishing to collect personal information within advertisements (according to specifications above) must follow these guidelines:

  • Clearly identify the organization
  • Provide a link to the privacy policy
  • Identify purpose for collection information

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