Hi Spacelanders, Multiplayer has been added in this update! As we promised in Autumn 2019. ;)

• It's an Beta version of Multiplayer mode. Expect some bugs
• Only one map available - Soldiers VS Monsters
• You can create your room for Online Duel or join one of the existed
• Ask your friends to create multiplayer rooms in Spaceland to ease matchmaking process
• You could use Steam Chat of Spaceland Community to ask some Spaceland players to join your Duel Room
• We have plans to add some more multiplayer content. Soldiers VS Soldiers mode is in our plans
• Please, report any issues at spaceland@tortugateam.com or on Steam forum

Best regars, Tortuga Team. https://store.steampowered.com/app/1021070/Spaceland/