Open-source alternatives to BatLovesBugs

Cocos2D for android project implementing a slider puzzle game.

Game to pop pimples using the awesome Godot Engine

Open source release of Canabalt for iOS

DOOM Classic for iOS Source Release

Wolfenstein 3D for iOS Source Release

Simple iOS game

An iOS game written in 2009

Lumio is a new puzzle game for iOS developed using Cocos2D. Available free on the App Store.

Beautiful iOS action game on App Store created in SpriteKit.

An iPhone (or iPod touch) port of the popular old QBasic game with spunk!

zapzap a mobile reaction game.

A Simple Color Game in Android

Open source version of a tank-battle game made with cocos2d - Available on the App Store for iPhone, iPad, and iPod touch

Simple and beautiful memory game for kids

an augmented reality attempt

Pixel Dungeon is a browser-based roguelike game and turn-based RPG focused on exploring procedurally generated dungeons. It utilizes a retro pixel-art aesthetic to deliver a dungeon-crawling experience directly within a web browser. The game centers on procedural dungeon generation, creating unique, maze-like labyrinths for each playthrough. Gameplay is driven by turn-based combat and movement on a grid, where the player and enemies interact in discrete steps.

A puzzle game with bridges, houses, tolls, and subways for iOS

An Android implementation of Conway's Game of Life