Colony Siege similar games & best alternatives

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Colony Siege

PC (Microsoft Windows) • 2020

Should you play it?

Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.

What works

  • Strong co-op gameplay and synergy
  • Varied towers, traps, and units for strategic depth
  • Good progression and upgrade system
  • Multiple game modes including endless and survival
  • Sci-fi setting with immersive visuals and effects

Things to keep in mind

  • Final mission considered weak and anticlimactic
  • Some balance issues and dominant strategies reduce experimentation
  • Limited story depth and poor voice acting
  • Maps can feel repetitive and large with limited mazing options
  • Soundtrack and audio effects sometimes bland or repetitive

What to play next

Top picks

Games that feels the closest overall

  • HELLDIVERS™ Dive Harder Edition

  • Zero-K

  • Command & Conquer™ Red Alert™ 3

  • Nienix: Cosmic Warfare

  • Dungeons 3

  • Northgard: Definitive Edition

Less intimate

Games that feels like Colony Siege but with less focus on close relationships

  • Creeper World 4

  • The Riftbreaker

  • DG2: Defense Grid 2

  • Surviving the Aftermath

  • Exogate Initiative

  • Desynced

Less story-driven

Games that feels like Colony Siege but with less narrative immersion

  • Element TD 2 - Tower Defense

  • Temtem: Swarm

  • AirMech

  • Entropy Survivors

  • Sineus Arena Survivors

  • Bloodsports.TV

Choose your own criteria ->

Similarity map

How to compare these games

Compare nearby games

Each card is a nearby game on the similarity map, compared with Colony Siege. Swipe sideways to move between games. Titles already listed in What to play next are left out.

  • Cover and title: open that game’s page.
  • What works / keep in mind: the same highlights as the desktop comparison panel.
  • Bars: the main motivational differences versus this game.
How to use the graph

Similarity map

Each dot is a game placed from its motivation profile relative to this page’s game. Direction shows which motivation differs most; distance along that axis shows how large the gap is.

  • Purple star: this page’s game at the centre — everything is relative to it.
  • Direction: each axis is a main motivational difference vs this game (e.g. more / less competitive).
  • Distance on an axis: how large that difference is (ring scales show +/− points).
  • Coloured chips: click to highlight games that mainly differ on that motivation; click again to reset.
  • Dotted line: link between this page’s game and the one selected for comparison.
  • Hover a dot to preview that game in the panel on the right; click to keep that comparison.
  • Scroll or double-click the chart to zoom.

How to read the map This is a polar difference map: direction = which motivation differs, and distance = how much (same units as the sidebar deltas).

Swipe to compare nearby games with Colony Siege. These titles are not in What to play next.

Colony Siege: A very typical example of its motivational profile. Motivations that often define this kind of title include Cooperation, Fellowship, Intimacy, Leadership. Here, the score leans higher than usual among comparable games on Status, Competition, Leadership.

Last update: 21/08/2026