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Radical Tower Defense playtest
by NewNull
In Radical Tower Defense, harness shifting core chips to forge a unique steel defense. Each choice reshapes your combat style. Unlock architectures, explore chip synergies, ignite tactical reactions. Don’t just defend—become a blade to break formations, strike the heartland, crush the enemy lair!
Anyone with a Steam account can join, and it's free.
- Access
- Instant
- On playtest since
- May 20, 2026
- Planned release
- Q4 2026
- Developer
- NewNull
- Platforms
- Windows
- Players
- Single-player
- Languages
- English, German, Japanese, Korean and 5 more
How to join the Radical Tower Defense playtest
- Open the game's Steam page with the Join playtest button. Sign in to Steam if it asks.
- Use the Radical Tower Defense playtest signup there. You're in straight away, with nothing to pay.
- The playtest shows up in your Steam library, ready to install and play.
New to playtests? How Steam playtests work
How AI is used
AI were used to assist with translating text into multiple languages.
The developer's own words, from Steam.
About Radical Tower Defense
Radical Tower Defense
Defense is not the end goal—it is preparation for pushing behind enemy lines.
Radical Tower Defense is a single-player, 2D top-down strategy tower defense game. Build your defenses around the Signal Tower, then decide which structures deserve your investment, which enemies must be dealt with first, and when it is time to take the fight to the enemy.
Plan the Battlefield Around the Signal Tower
Choose the right positions for your defensive structures across the map. The Signal Tower determines your deployment range and serves as the core of your defensive line. Move it and adjust your defensive center to extend your firepower across a larger battlefield.
Spend gold to build, upgrade, sell, and reorganize your towers. Give each tower a clear role—careful combinations matter more than simply stacking raw power.
Redefine Your Towers with Chips
Equip your towers with Chips to change the way they attack and the roles they fulfill.
Piercing shots, spread fire, multi-shot attacks… Each Chip has its own compatibility requirements and slot restrictions.
Turn a tower into a long-range single-target weapon, or build a setup focused on area bombardment, damage over time, dense bullet barrages, or dangerous close-range traps. True strength comes from how your Chips work together.
Waves Will Pressure You from Multiple Fronts
Enemies will not approach from a single route. As the waves progress, multiple enemy spawn points will continue to produce different enemy compositions.
Will you hold your ground and steadily reinforce your firepower, or risk pushing into enemy territory? Every wave forces you to choose between “keep preparing” and “strike now.”
Understand Your Enemies to Push the Front Line
You will face enemies with different roles and abilities. Study their traits, then adjust your range, damage types, and defensive priorities to keep your line standing until the end.
If you enjoy tower defense games that reward careful planning, battlefield awareness, and constant experimentation, add Radical Tower Defense to your wishlist.
From the game's Steam page.
