An MC Escher twist on puzzle games
Turn-based tactical spy game from the Don't Starve devs
Card gaming spin on classic table-top RPGs
Open source empire-building game inspired by Civilization
Jump up the mountain. A lot.
Great RPG where high tech meets high fantasy.
A great journey to the sky starts with a single step.
Open source simulation game based on Transport Tycoon Deluxe
Theme park simulation game
Stylish Puzzle game with tweet-able in-built level editor
A free old-school RTS... on Mars
Retro Ultima-Style RPG
An old school city-builder in a victorian steampunk setting
A sandbox village management game not unlike Dwarf Fortress.
Adorably gruesome math puzzles
a free-to-play medieval MMO tower defense
F2P meets RPG card game based on the game Card Hunter
Fallout inspired role-playing game with turn-based combat
Epic ultima-style retro isometric turn based RPG.