Perennial early access game Project Zomboid hit a new concurrent player record after a huge map update added reworked towns, a spooky orphanage and '400 procedural basements'
The zombie survival sim has also gone up in price.
Space Marine 2's latest updates add Terminator Sorcerers and Steam Workshop support, so you can now play co-op with 9 other players if you want One of Kerbal Space Program's biggest inspirations was a promotional Flash game for Top Gear: 'That was the most similar game to KSP that I could find back then'