TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.
Myst - Myst is an Adventure, Classic Point and Click, Puzzle and Single-player video game developed and published by Cyan Worlds.
Lux Delux - Lux Delux is a game of strategy and domination inspired by the board game Risk.
Syberia - Syberia, Syberia 2, Syberia 3, the Kate Walker's adventures - adventure games - Microïds
Streets of Chaos - Streets of Chaos is a Puzzle, Tactical, Turn-based Strategy and Single-player Simulation created by SimProse Studios.
Day of the Tentacle - Day of the Tentacle is an exciting game offers the combination of Adventure, Puzzle, Point and Click, Time Travel and Single-player elements.