LeftUnknown

LeftUnknown

JustoGames · November 6, 2025 · FPS, Action, Looter Shooter, Physics, Gore

Buy LeftUnknown from Steam at $5.99 — the cheapest of 1 store we compare.

PC
8 user reviews88% · 8
Best price
$5.99
lowest tracked $4.79
Steam Buy at Steam

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Where to buy LeftUnknown — official stores

Steam
Steam
Standard Edition · Steam
$5.99
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LeftUnknown price by region

LeftUnknown costs $3.99 in Georgia (USD), £4.99 in the United Kingdom, €5.89 in Europe (EUR), $5.99 in the United States, CA$7.79 in Canada, A$8.79 in Australia, NZ$8.99 in New Zealand, R$20.49 in Brazil and zł27.50 in Poland right now.

Cheapest LeftUnknown offer in each region, in local currency
RegionBest priceOfficial storeKey shopStores
Georgia (USD) $3.99 $3.99 — 1
United Kingdom £4.99 £4.99 — 1
Europe (EUR) €5.89 €5.89 — 1
United Statesyour region $5.99 $5.99 — 1
Canada CA$7.79 CA$7.79 — 1
Australia A$8.79 A$8.79 — 1
New Zealand NZ$8.99 NZ$8.99 — 1
Brazil R$20.49 R$20.49 — 1
Poland zł27.50 zł27.50 — 1

Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.

Screenshots

About LeftUnknown

✦ AI summary

LeftUnknown is a survival shooter where you fight mutated creatures in an abandoned underground facility while uncovering what happened during your ten-year coma and searching for a way to the surface. Physics-driven combat and environmental interaction put survival in your hands, letting you use weapons, grenades, and the world itself to adapt to every encounter.

Live-D Corporation slowly took control of society, enforcing their power through a private army and secret human experiments. Captured and taken to a hidden underground complex, former soldier Marius was subjected to a serum meant to grant eternal life - instead he fell into a coma and awakened ten years later immune to the experiment, only to find the abandoned facility overrun by alien-like creatures created from failed test subjects that spread and destroyed the world. Fight to survive, uncover what happened during those ten years, and find your way back to the surface.

DYNAMIC COMBAT

Combat is intense and grounded, with weapons that feature realistic recoil, bullet spread, and physical impact. Every shot matters, and every encounter can play out differently depending on how you use your tools and surroundings. Grenades can clear groups instantly, while well-timed environmental explosions can save precious ammo.

PHYSICS-DRIVEN WORLD

The world of LeftUnknown is built around physics and interactivity. Most objects aren’t just props - they can be moved, thrown, stacked, or used creatively. The environment reacts to your actions, letting you solve problems, fight enemies, or create opportunities using the world itself.

SURVIVAL & RESOURCE MANAGEMENT

Survival depends on preparation and smart decision-making. Your inventory has limited space and is weight-based, forcing you to balance firepower with essentials. You’ll need to monitor your health, stamina, and injuries, using med-kits, food, and bandages to stay in fighting condition. Scavenging, buying, and selling items becomes key to long-term survival.

ENVIRONMENTAL STORYTELLING

The story unfolds through exploration. Scattered notes and diaries reveal what happened inside the facility, but they also serve a practical purpose. Players who pay attention can discover door codes, and clues that lead to valuable rewards.

SANDBOX FREEDOM

LeftUnknown embraces player experimentation. Console commands allow you to spawn objects, enable god mode, or manipulate the world for fun. Whether you want a serious survival experience or a chaotic sandbox playground, the choice is yours.

NIGHTMARE MODE

Nightmare Mode offers a pure survival challenge for players who want to test their limits. Face endless waves of enemies and fight to stay alive as long as possible. Every kill earns points, and every second survived pushes your score higher. Compete against friends or players worldwide on the leaderboards and prove how long you can last when the odds never stop stacking against you.

*This game is made by a solo developer

LeftUnknown — game info

Platforms
Windows
Player modes
Single-player
Controller
Partial controller support
PC Game Pass
Not included

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

✦ AI summary

LeftUnknown is a promising early-stage shooter with solid gunplay, enjoyable physics, and an atmospheric Half-Life-inspired aesthetic that players appreciate for its polished feel despite its small scope. The main frustrations center on respawning enemies that undermine exploration, lack of item descriptions, and limited content, though players generally feel the foundation is strong enough to warrant following its development. Most reviewers recommend checking it out given the low price, viewing it as an impressive work-in-progress rather than a complete experience.

Not recommended Feb 23, 2026
More neutral than negative. While price is very low this is more like vertical slice\demo than EA game. Foundation is solid - guns are pretty fun to shoot, movement is good, physics good. But the exploration part is discouraging because of constantly respawning enemies - clear room, turn corner and enemies respawn, and while resources is plentiful backtracking can be a frustrating. Delay when activate your PDA feels not good, items need descriptions, at least smth like - restores health slightly\moderately, stops bleeding etc. Will def follow development progress, because it could be a good game.
4 found this helpful
Recommended Aug 20, 2026
LeftUnknown takes the love of Source-styled aesthetics and gameplay from games like Half-life and throws in what seems like "slavjank" blender, and removes the jank and adds all the polish of what you'd expect from a double-A game. LeftUnknown is a horror 2000's FPS inspired shooter, with engaging gameplay, dynamic environments, and a challenging collection of enemies. I'd love to see where this series goes, maybe more monsters, and frightening set pieces. The game is at it's best when it makes you feel weak, or desperate for resources, but is never unfair, even the saving points, adds a level of tactical consideration less common in indie games today. Really enjoyed my time with this one.
3 found this helpful
Recommended Aug 20, 2026
Very good. Reminded me of half life, glad to have played and enthusiastic for future updates. Recommended. --- Disclosure: 71 y.o., I use my own C.E. tables in every game I play, otherwise I could not get far in many games. For other mature or interested players, some hints. (If the dev prefers these hints to not be here, just comment so and I'll delete them ASAP) -- Health current and max 500.0000 -max 1000.0000-, Type Float, Simple Values both. Input whatever value you want (9 999 999, etc). Once game is saved at any save console in rooms, values persist all game through. -- These items are all Type 4 Bytes Exact: - CR credits money. - Ammo both in chambers or in magazines (can revert picking ammo). Quantity in chambers will not revert, but only be depleted by use, so input whatever, 99 999, etc. - Grenades. - Flashlight recharges when off, but it gets dim rather quickly. Type Float, Simple Values, 100.0000, find Decreasing when using, Increased and Unchanged when off a good while so it got full again. Freeze value at 100 (increasing value doesn't slow the rate of brightness to dark) so it stays bright always. Have to re-find after every quit or load. Non critical no…
2 found this helpful
Recommended Nov 27, 2025
A pleasant, short game with sophisticated physics, which is rare in many large-scale projects. I have some minor complaints about enemies spawning "out of thin air" where they shouldn't be, but otherwise, I HIGHLY RECOMMEND this game for all fans of immersive sims and horrors.
2 found this helpful
Recommended Aug 19, 2026
So far this is both very promising and great. Plays and looks similarly to System Shock 2. There is very little content in it so far though, I hope that the developer will not abandon it and finish it someday. 7/10
1 found this helpful
Recommended Feb 19, 2026
Fun experience with a lot of potential. Has some pretty clever gameplay design elements including physics puzzles. The physics are fun to play around with in general and the gun play is decent as well, especially after the latest updates. Gives off half-life vibes, but with a darker setting. Would say definitely worth checking out and seeing how it grows over time. Even the current progress is mighty impressive considering this is made by a single developer.
1 found this helpful

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