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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.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Try this game before buying.
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.
Hollow Ground was originally released in 2003 for Mac and this version has been built from the ground up to play exactly like the original game.
While navigating through the labyrinthine tunnels of the post-apocalyptic Epsilon 9 bunker you will battle armies of mutated creatures and nefarious robots.
The tunnels are laden with machinery of at times ambiguous intent such as keycard doors, teleporters, switches and timers causing havoc.
Traversing every level is its own perilous puzzle.
Traverse 40 floors to reach the bottom of the bunker!
The 70+ maps appear in a somewhat random order so that no attempt is the same.
The rag-tag band of mercenaries have to save the world from a new threat of extinction, a terrible biomechanical weapon of mass destruction.
Each armed with 4 distinct weapons.
Unique strengths, weaknesses and synergies with cybernetic upgrades.
Strewn across the wartorn halls are credits for use in the shops that appear between levels. Spend said credits on:
Medkits
Weapon upgrades
Single use psionic abilities
Cybernetic upgrades
Each character has 8 available slots.
Fit chips that make the character stronger, faster or in other ways better!
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.
Lowest tracked price: CA$12.11 (Jul 7, 2026) · current best: CA$14.25.
Right now the cheapest offer for Hollow Ground is CA$14.25 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Hollow Ground is CA$12.11 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Hollow Ground drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
