Defend your desktop from invading viruses! An OS-themed strategic tower defense game where you combine various file extensions to build powerful defense towers.

<h2 class="bb_tag" >DRAG &amp; DROP !!</h2>Use your mouse just like a real OS!<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/a615c8db4355bd94f2d28c2f6efea420.poster.avif?t=1778827629" width=638 height=360 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/a615c8db4355bd94f2d28c2f6efea420.webm?t=1778827629" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/a615c8db4355bd94f2d28c2f6efea420.mp4?t=1778827629" type="video/mp4"></video><h2 class="bb_tag" ># FILES ARE TOWERS !</h2>Skills change depending on the file extension!<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/7e9aee5ddaeaa8a05ffe1d9fdef414ce.poster.avif?t=1778827629" width=638 height=360 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/7e9aee5ddaeaa8a05ffe1d9fdef414ce.webm?t=1778827629" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/7e9aee5ddaeaa8a05ffe1d9fdef414ce.mp4?t=1778827629" type="video/mp4"></video><h2 class="bb_tag" ># DEFENCE !</h2>Counter viruses equipped with unique mechanics!<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/f213518b57205f2d428b3dc9f7f6451f.poster.avif?t=1778827629" width=638 height=360 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/f213518b57205f2d428b3dc9f7f6451f.webm?t=1778827629" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/f213518b57205f2d428b3dc9f7f6451f.mp4?t=1778827629" type="video/mp4"></video><h2 class="bb_tag" ># COMPRESS &amp; COMBINE !</h2>Compress specific file combinations to synthesize them into new, even more powerful files!<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/190b089c4361af2ce2c69a35687541e4.poster.avif?t=1778827629" width=638 height=360 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/190b089c4361af2ce2c69a35687541e4.webm?t=1778827629" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/190b089c4361af2ce2c69a35687541e4.mp4?t=1778827629" type="video/mp4"></video><h2 class="bb_tag" ># DEFEAT THE BOSS !</h2>Face a special boss round every 2 weeks!<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/333192d83ca7fd7773616000d1db9331.poster.avif?t=1778827629" width=638 height=360 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/333192d83ca7fd7773616000d1db9331.webm?t=1778827629" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4449030/extras/333192d83ca7fd7773616000d1db9331.mp4?t=1778827629" type="video/mp4"></video>

Good Game Database

File Tower Defence Achievements