A rogue-lite tower defense where you build, cast spells, and fight as the king himself. Choose your crossbow, shape your deck, and survive endless waves — every run a new strategy.
Top matches
Match strength key:80+65+50+<50To Def Or Not To Def
SteamAbout To Def Or Not To Def

A skeleton army has appeared from… somewhere.
Build towers, cast spells, fight beside your defenses, and keep them away from your castle.
<span class="bb_img_ctn"><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4707390/extras/18525f86250539767f410c5154cb2b9d.avif?t=1785791230" width=1186 height=302 /></span>
Yes.
Merge towers into stronger versions, combine cards and spells, and create a different build every run.

Made by One Developer
I’ve played far too many tower defense and roguelite games, so I made the one I wanted to play.
If you want active combat, tower merging, and chaotic builds, you’re in the right place.
Build. Merge. Fight. Defend.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
All matches
Similar games to To Def Or Not To Def
Finding similar games…







