How to Survive is a Zombie-crafting-Survival-game, while it doesn't sound unique, the gameplay just feels different from a "normal" zombie game.

Risk of Rain is a fun but intense indie 2D platformer with an overdose of rogue elements.

While the pvp servers are more cut-throat then a band of pirates, the gameplay is very engaging and you genuinly need to struggle to the top.

BioShock was possibly the most Intense FPS released in 2007.The game is heavily story driven, but with pleanty of classic FPS style to keep you dodging.

Third-person tactical shooter game taking place in 1962. A very interesting and different style game, recommended to people who want different gameplay.

A very popular Sandbox game based on gear progression and boss conquest. Sadly no boats, but it doesn't need it; Terraria game has over 3500 items in it

Great miltary simulator that started the arma series. Bad graphics and sensitivty are the only problems but the modding community saves it