Chogan is a collection of small, finishable games in a single app. It ships with more than forty games; new ones arrive as updates to the same app.

The games:

* Tower Defence — four towers, six maps, twenty waves
* Sudoku — four difficulties, one solution each, notes and hints
* Minesweeper — no-guess generation, four sizes, chording and flags
* Dots and Boxes — two players on one phone, or against the AI
* Backgammon — two players or against the AI, gammons count double
* Mancala — Kalah rules, two players or against the AI
* Nonogram — three sizes, every puzzle solvable by logic alone
* FreeCell — the classic numbered deals, never the one unwinnable deal
* 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 for a perfect game
* Battleship — against an AI that only knows what you would know
* Bridges — three sizes, every puzzle with exactly one solution
* Code Breaker — three levels, colour-blind friendly
* Breakout — twelve fixed levels, three balls each
* Pasur — the Persian fishing card game, against the AI
* Mahjong Solitaire — three layouts including the turtle, every deal solvable
* Chess — against the AI or two players, plus Lichess puzzles
* Hokm — the Persian four-player card game: you and your partner against two AI rivals
* Block Drop — falling blocks: a 40-line sprint or a 100-line marathon
* Gomoku — five in a row on a 9, 13 or 15 board, against the AI or two players
* Go — 9×9 Go with automatic counting, against the AI or two players
* Way Out — send every arrow off the board in a working order
* Blackjack — closer to 21 than the dealer, ten-hand matches with no betting
* 8-Ball Pool — pot your group, then the 8, against the AI or two players
* Snooker — reds and colours, then the colours in order; 6, 10 or 15 reds
* Gridlock — slide the cars aside and drive yours out of the lot
* Chain Reaction — add orbs until cells burst in chains; 2 to 4 players or against bots
* Ludo — come out on a six and race your tokens home; 2 to 4 players or bots
* Snakes and Ladders — first to 100; 2 to 4 players or against bots
* Darts — 501 or 301, finish on a double; against a bot or two players
* Bowling — ten frames, swipe to bowl
* Sliding Puzzle — slide the numbered tiles back into order, from 3×3 to 5×5
* Jigsaw — 12 to 150 pieces, on Persian patterns and scenes drawn in code
* Checkers — classic or Spanish rules, against the AI or two players
* Klondike — classic solitaire, draw one or three, and a daily deal that is always winnable
* Crazy Eights — match the suit or rank, Iranian or international rules
* Gin Rummy — melds and deadwood against a bot, a match to 100
* Shelem — Hokm with bidding: take the widow, name trump, a match to 505
* Spider — two decks in ten columns, king down to ace; one, two or four suits
* Pairs — the memory game: turn two cards at a time and find every pair
* Gorillas — exploding bananas across a city: angle, power and wind
* Hop — bounce from platform to platform without falling; touch or tilt to steer
* Tanks — fire across the hills with five weapons; a bot or two players
* Chinese chess — xiangqi with palace, cannons, elephants and flying generals
* Ping Pong — table tennis from above, first to 11; a bot or two players
* Air Hockey — a neon table, first to seven goals; a bot or two players

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 eighty awards
* Stats and a profile
* Persian, English, Simplified Chinese, German and Spanish 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.