Mars Survivor

One player. W up, S down, A left, D right. 1/2/3/4 choose energy tower, greenhouse, turret or house. Space or click builds the chosen one where you stand (or next to a site) when you have enough ore and crystal. E enters or leaves a house next to you. F, or click a monster, attacks. B opens the workbench. Tap empty ground cycles the build choice. Phone and controller use the host-assigned P1 slot; Menu/Home belong to PlayDrop.