Loop Arcade release
Launched the 20-minute FPS tower-defense campaign with 12 rune-tower families, 12 firearm loadouts, 28 enemy roles, WebAudio combat sound, and the v2 battle artwork.
Action / Tower Defense
Aim from the castle wall, fire a twelve-gun arsenal, and build rune towers to stop a four-act siege.

About the game
Castle Rifle Prototype combines first-person shooting with active tower defense. Hold the wall across a 20-minute, four-act, 12-round campaign, switch among 12 firearm loadouts, and spend battle coins to install, upgrade, and repair 12 rune-tower families. Enemies span 28 combat roles, from infantry and casters to siege vehicles and airborne raiders, with maintenance phases between waves for fortification and armory decisions.
How to play
Play better
FAQ
It is a first-person shooter and active tower-defense campaign. You fight from the wall directly while installing, upgrading, and repairing automated rune towers.
The campaign runs for about 20 minutes across four acts and 12 rounds, including short maintenance phases between assaults.
The interface scales to small screens, but aiming and movement currently require a keyboard and mouse. A desktop browser is recommended.
No. Each campaign is a self-contained run, and restarting or reloading begins a fresh defense.
Update log
Launched the 20-minute FPS tower-defense campaign with 12 rune-tower families, 12 firearm loadouts, 28 enemy roles, WebAudio combat sound, and the v2 battle artwork.