Four developers from Keen Software House demonstrate the co-op mode in their game Miner Wars. Miner Wars is a first-person action-survival space simulation game set in the year 2081. This first installment of the Miner Wars franchise is currently being developed by Keen Software House a. s., an independent software company founded and lead by Marek Rosa. There are currently two branches: Miner Wars 2081 as a classical single-player, co-op and multi-player and Miner Wars MMO as a massive multiplayer online version.