About
Survive a minimalist wave-survival rogue-lite. Keep the fire alive. Read its flame. Defend your fire against creatures that crawl from the dark across endless waves. Every wave survived, the fire grows. Over time, it consumes everything.
Games like Undying Flame
same kind of game, other series
Media
Releases
Earliest full release on each platform; regional dates can differ.
PC and Steam Deck
Steam store pageMinimum
Recommended
OS
Windows 10
Windows 10 / 11
Processor
Intel Core i3 2.0 GHz or equivalent
Intel Core i5 or equivalent
Memory
512 MB RAM
-
Graphics
Any GPU with DirectX 11 support
Any dedicated GPU
DirectX
Version 11
Version 11
Storage
300 MB available space
300 MB available space
Requirements and Deck status as listed on Steam, checked Oct 31, 2026.
Undying Flame player count
concurrent players on Steam130-day peak
1highest we have seenNov 1, 2026
Players counted on Steam every one to six hours; the daily peak is the highest count of the day.
Undying Flame achievements
30 achievements on SteamRarest
Fully Perked Earn all challenge perks
1.6%
Fashionista Unlock all fire skins
2.5%
Rare Appetite Consume 10 rare or exotic bodies.
6.6%
True Masochism Endure the truth. Reach every phase and max every node in the Void ascension tree. The 0.1%.
6.6%
Cosmic Hunger Grow a black hole to 10,000 Mass.
7.5%
Hundredfold Consume 100 pieces of matter in the Void.
10.8%
All 30 achievements by how many players unlocked them
Clean Orbit Finish a cycle with no matter left behind.
13.3%
Legendary Reach wave 100
15.8%
True Devotion DevotionSacrifice it all. Ascend for the first time, trading every coin and upgrade for a permanent buff.
15.8%
Event Horizon Grow a black hole to 100 Mass.
15.8%
First Hunger Complete your first Void cycle.
20%
Inevitable Invert the verb. The star collapses and you become the black hole the universe falls toward.
25.8%
Genocide Kill 10,000 enemies lifetime
27.5%
Scholar Discover all enemies in the bestiary
27.5%
Pristine Reach wave 10 without fire being hit
30.8%
Beyond the Flame Advance to the stars. The small flame grows into a star-sized ball burning bright in the cosmos.
36.6%
Eternal Reach wave 50
40.8%
Midas Touch Earn 100,000 gold lifetime
47.5%
Enduring Reach wave 25
55.8%
Slaughterer Kill 1,000 enemies lifetime
59.1%
Transcendent Achieve x100 combo
59.1%
Swarm King Kill 200 swarmers in a single run
60%
Prospector Earn 10,000 gold lifetime
64.1%
Infernal Achieve x50 combo
66.6%
Unstoppable Achieve x25 combo
68.3%
Overkill Achieve a x100 combo
69.1%
Survivor Reach wave 10
72.5%
Hoarder Stockpile 20 wood at once
73.3%
First Blood Kill 100 enemies lifetime
75.8%
Chain Killer Achieve x10 combo
80%
Share of Steam players who unlocked each achievement.