Chogan is a collection of small, finishable games in one app: more than fifty, with new ones arriving as updates.

The games:

* Tower Defence — four towers, six maps, twenty waves
* Sudoku — four difficulties, notes and hints
* Minesweeper — no-guess boards, four sizes
* Dots and Boxes — two players or against the AI
* Backgammon — two players or against the AI
* Mancala — Kalah rules, two players or the AI
* Nonogram — three sizes, solvable by logic alone
* FreeCell — the classic numbered deals
* Reversi — two players or against the AI
* Nine Men's Morris — two players or against the AI
* Peg Solitaire — leave one peg, in the centre
* Battleship — against an AI that never cheats
* Bridges — every puzzle with one solution
* Code Breaker — three levels, colour-blind friendly
* Breakout — twelve levels, three balls each
* Pasur — the Persian fishing card game
* Mahjong Solitaire — three layouts, every deal solvable
* Chess — AI or two players, plus Lichess puzzles
* Hokm — the Persian four-player card game
* Block Drop — falling blocks: sprint or marathon
* Gomoku — five in a row on 9, 13 or 15 lines
* Go — 9×9 with automatic counting
* Way Out — send every arrow off the board
* Blackjack — closer to 21 than the dealer, no betting
* 8-Ball Pool — pot your group, then the 8
* Snooker — 6, 10 or 15 reds
* Gridlock — slide the cars and drive yours out
* Chain Reaction — orbs burst in chains; 2 to 4 players
* Ludo — race your tokens home; 2 to 4 players
* Snakes and Ladders — first to 100; 2 to 4 players
* Darts — 501 or 301, finish on a double
* Bowling — ten frames, swipe to bowl
* Sliding Puzzle — 3×3 to 5×5
* Jigsaw — 12 to 150 pieces, pictures drawn in code
* Checkers — classic, Spanish or Huevo Style rules
* Klondike — classic solitaire, draw one or three
* Crazy Eights — Iranian or international rules
* Gin Rummy — melds and deadwood, a match to 100
* Shelem — Hokm with bidding, a match to 505
* Spider — one, two or four suits
* Pairs — the memory game
* Gorillas — exploding bananas: angle, power, wind
* Hop — bounce from platform to platform
* Tanks — fire across the hills with five weapons
* Chinese chess — xiangqi with palace and cannons
* Ping Pong — table tennis from above, first to 11
* Air Hockey — a neon table, first to seven
* Echo — repeat the order, one more each round
* Lights Off — put every light out
* Corridor — walk across and block with walls
* Link Up — join your two edges with links
* Sums — erase numbers until every line adds up
* Tower Up — drop each sliding block on the tower
* Dominoes — All Fives or plain, against a bot
* Water Sort — pour until each tube holds one colour
* Button Football — flick your discs; a bot or two players
* Wrigglers — eat, grow and cut the bots off
* Trio — find three cards, all alike or all different
* Four in a Row — drop discs, line up four; a bot or two players
* Peak — higher cards knock lower ones down

Around the games:

* A daily challenge that is identical on every device, with no server at all
* A weekly offline league with five tiers
* Over 150 awards
* Stats and a profile
* Persian, English, Simplified Chinese, German, Spanish and Polish interface with light and dark themes

On privacy:

* The only permission the app declares is vibration. Not even internet access
* No ads, no in-app purchases, no analytics, no tracking
* Everything ships inside the package; even the sound is made in code
* Progress is stored on the device only, and Google auto-backup is turned off

Free and open source under the MIT licence.
