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Games like Tower Defense Ultimate: Crashfall Protocol | IndieDex

Tower Defense Ultimate: Crashfall Protocol
Games like Tower Defense Ultimate: Crashfall Protocol

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Games like Tower Defense Ultimate: Crashfall Protocol

A compact sci-fi tower defense campaign with escalating alien waves, unlockable towers, and an addictive difficulty curve.

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

Warfare

Science fiction

Survival

Strategy

Bird view / Isometric

Tactical

Indie

Simulator

Real Time Strategy (RTS)

Alien Shooter TD cover art

Alien Shooter TD

A gory, single-player tower defense game mixing tower placement with hands-on alien combat, with early-reviewer playtimes ranging roughly 9–16 hours.

2017-01-13

Action
Science fiction
Strategy
Bird view / Isometric
Indie

Towerful Defense: A Rogue TD cover art

Towerful Defense: A Rogue TD

A run-based single-player tower defense focused on one tower, loadout-building, and alien hordes, with a hands-on, trade-off-heavy feel.

2024-07-29

Action
Strategy
Indie

Neural Shock cover art

Neural Shock

A grim sci-fi tower defense action RPG with direct hero control, elemental fusion, and persistent progression, clocking in at roughly 13 hours.

2024-06-19

Action
Science fiction
Strategy
Bird view / Isometric
Indie
Role-playing (RPG)

Desperate Place cover art

Desperate Place

A strategic single-player tower defense game about repairing a stranded starship on an alien planet, with an active shooter twist and a ~4-hour campaign.

2025-04-21

Shooter
Science fiction
Strategy
Bird view / Isometric
Indie

Radiant Defense cover art

Radiant Defense

A compact single-player tower defense game about building a space fortress and upgrading weapons to survive alien waves, with a colorful tone but occasional stability issues.

2014-07-11

Science fiction
Strategy
Indie

Rush for Glory cover art

Rush for Glory

A tower defense game about defending against an alien invasion via tower building and upgrades in a singleplayer campaign, with mixed reviews and a roughly 3.5-hour reviewer playtime.

2014-06-16

Action
Strategy
Real Time Strategy (RTS)

Road Defense: Outsiders cover art

Road Defense: Outsiders

A compact single-player roguelike tower-defense game about defending road vehicles with upgradeable towers and skills.

2023-05-28

Shooter
Action
Platform
Adventure
Strategy
Bird view / Isometric
Indie
Arcade

Crossite II Definitive Edition cover art

Crossite II Definitive Edition

A casual sci-fi tower-defense game with single-player and local PvP, praised as fun and addictive for its low price.

2025-11-28

Gore Storm cover art

Gore Storm

A single-player action wave-defense shooter on an alien planet, blending base upgrades and turret placement with a free-movement horde mode; reviewers find it simple and satisfying despite a clunky UI.

2023-03-10

Galactic Siege cover art

Galactic Siege

A challenging 3D tower defense game with a 20-level campaign and endless leaderboard mode.

2025-11-06

Defentrix cover art

Defentrix

An intense single-player tower defense strategy game that rewards tactical planning and real-time reactions over luck, praised by reviewers as straightforward and engaging, with a single reported playthrough of about 12.5 hours.

2026-01-15

Action
Science fiction
Strategy
Simulator