Games like They Are Billions

A single-player steampunk post-apocalyptic strategy game about building and defending colonies from zombie hordes, with brutal no-save gameplay and reviewer playtimes from about 33 to over 100 hours.

2112TD: Tower Defense Survival
A compact single-player sci-fi tower defense game about building and upgrading defenses to hold off zombie waves in space, with a roughly three-hour campaign.
2023-01-19
- Action