Top-down shooter inspired by 90s arcade games. You and up to three friends play as four mercenaries as they descend into the Epsilon 9 bunker. Navigate 70+ handcrafted labyrinthine levels, purchase upgrades, and destroy chaos manifest: The Machine.

<h2 class="bb_tag" >A Top-Down Shooter that builds upon classic 90s shoot 'em up arcade games</h2>Play solo or with up-to three friends in local or online co-op. Take control of four mercenaries as they descend into the Epsilon 9 bunker. Descend 40 floors deep into the bunker to unearth its mystery, save the world and destroy chaos manifest: The Machine.<h2 class="bb_tag" >Explore 70+ handcrafted labyrinthine levels</h2><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/8e595a61ff7cea8b491d34bb9d181c2a.poster.avif?t=1777311106" width=732 height=268 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/8e595a61ff7cea8b491d34bb9d181c2a.webm?t=1777311106" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/8e595a61ff7cea8b491d34bb9d181c2a.mp4?t=1777311106" type="video/mp4"></video><ul class="bb_ul"><li>While navigating through the labyrinthine tunnels of the post-apocalyptic Epsilon 9 bunker you will battle armies of mutated creatures and nefarious robots. </li><li>The tunnels are laden with machinery of at times ambiguous intent such as keycard doors, teleporters, switches and timers causing havoc. </li><li>Traversing every level is its own perilous puzzle.</li></ul><h2 class="bb_tag" >Every journey down the bunker is unique</h2><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/28d32489fd52018c5373ee50eb60d824.poster.avif?t=1777311106" width=734 height=412 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/28d32489fd52018c5373ee50eb60d824.webm?t=1777311106" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/28d32489fd52018c5373ee50eb60d824.mp4?t=1777311106" type="video/mp4"></video><ul class="bb_ul"><li>Traverse 40 floors to reach the bottom of the bunker!</li><li>The 70+ maps appear in a somewhat random order so that no attempt is the same.</li></ul><h2 class="bb_tag" >Four mercenaries make the unwelcome journey to rid a war</h2><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/158abc07d0cca352af96218995caf27c.avif?t=1777311106" width=1170 height=604 />The rag-tag band of mercenaries have to save the world from a new threat of extinction, a terrible biomechanical weapon of mass destruction.  <ul class="bb_ul"><li>Each armed with 4 distinct weapons.</li><li>Unique strengths, weaknesses and synergies with cybernetic upgrades.</li></ul><h2 class="bb_tag" >Purchase upgrades and powerups</h2><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/a17a8b4cd2f2b6fe4b5f28a5147db530.poster.avif?t=1777311106" width=734 height=412 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/a17a8b4cd2f2b6fe4b5f28a5147db530.webm?t=1777311106" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/a17a8b4cd2f2b6fe4b5f28a5147db530.mp4?t=1777311106" type="video/mp4"></video>Strewn across the wartorn halls are credits for use in the shops that appear between levels. Spend said credits on:<ul class="bb_ul"><li>Medkits</li><li>Weapon upgrades</li><li>Single use psionic abilities </li><li>Cybernetic upgrades</li></ul><h2 class="bb_tag" >Cybernetically enhance your character</h2><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/e231ea75ef5581c62f4ce63172d6bc99.avif?t=1777311106" width=600 height=88 /><ul class="bb_ul"><li>Each character has 8 available slots.</li><li>Fit chips that make the character stronger, faster or in other ways better!</li></ul><h2 class="bb_tag" >Time is not on your side</h2><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/7550a00cd242dcb2eff90a1073d09e3c.poster.avif?t=1777311106" width=854 height=60 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/7550a00cd242dcb2eff90a1073d09e3c.webm?t=1777311106" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3997920/extras/7550a00cd242dcb2eff90a1073d09e3c.mp4?t=1777311106" type="video/mp4"></video>Due to radioactivity your health is steadily decreasing for every second you spend in the bunker. Sometimes forcing an early exit from a floor even when there is still treasure to be found.

Good Game Database

Hollow Ground Achievements