Games like A Buttload of Free Games
Bad North
"Bad North is a minimalistic real-time tactics roguelite game that combines a charming aesthetic and simple, accessible controls with a surprisingly deep combat simulation."
Planet Alpha
Planet Alpha is an adventure set in a living alien world where you have the ability to manipulate the daytime. To survive on this strange planet you will have to be observant of how the environment and the wildlife behaviour changes depending on the time of day.
Last Day on Earth: Survival
Last Day on Earth is a free multiplayer zombie survival strategy game, where all survivors are driven by one target: stay alive and survive as long as you can and shoot walking dead zombies. There is no place left for friendship, love and compassion. A deadly plague pandemic has turned the world into a dead zone. You can trust only yourself in this post apocalyptic world infected with walking dead zombies.
Miscreated
Miscreated is a multiplayer online hardcore survival game set in a post-apocalyptic future. You will need to survive against mutants, players, and even mother nature herself.
Star Control: Origins
The Earthlings have joined the interstellar club. The galaxy will never be the same. The year is 2086 and Earth has detected an alien distress call originating from the surface of Triton. In response, Star Control is formed with you as The Captain of Earth's first prototype starship.
Force of Nature
Force of Nature is an indie open world sandbox game with fighting, crafting, building and farming systems.
Life is Feudal: Your Own
Hardcore medieval multiplayer sandbox with terraforming, free preset and modular building construction, rich crafting (smelting, forging, farming, animal breeding etc.), survival, no target physics based combat, original combat formation system and numerous other features. Taking place in the fictional medieval world, game imposes a realistic system of global politics, economy, and socialization.
Savage Lands
A New Land, A New Life: Savage Lands is a gritty, brutal, first-person open-world fantasy survival experience in which players have only one goal: Stay Alive. Explore a world where days and nights are spent slaughtering vicious creatures, gathering scarce resources, building shelter and crafting powerful weapons needed to survive. Every decision counts, because one mistake can lead to an unfortunate encounter with death's cold embrace.
Dream Alone
2D platform game with classic platform gameplay, deadly traps, dark storyline and unique hero abilities, all in Tim Burton's-like audio-visual.
Myst
A mystical journey through worlds that changed the concept of an adventure game. Lose yourself in fantastic virtual exploration, blurring the line between fantasy and reality, challenging your wits, instincts, and powers of observation like never before. The fantasy beckons... can you resist its call?