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Let Them Come: Onslaught
Survive the relentless offensive of the alien horde in Let Them Come: Onslaught, a sci-fi survival roguelite. The pursuit of the perfect build and an ever-expanding arsenal of abilities are the keys to your success.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“A great game worthy of its modest price tag, a Vampire Survivors clone that gets the damage scale correct and makes you want to return to play it again and again. On top of all this, the developers are fantastic. I posted a bug with their latest update, and they pushed a patch…”
— a player, Steam review · 17 hrs played“A very fine game, when you factor price it becomes a great game. It is a vampire like, but the balance is a bit wonky compared to the other. After 5h I complete normal mode on all 4 maps, even after maxing a lot of the progression tree I still felt valunable, which is a plus in…”
— a player, Steam review · 9 hrs played“Pretty fun. Good entry to the genre. Edit: Now put 20 hours into it and beat every difficulty. Almost unlocked all the tech trees. I find it a strangely relaxing game where it's just enjoyable to play a 20 minute round every evening to unwind. Wish the game had some DLC!”
— a player, Steam review · 20 hrs playedPlayer activity
Monthly average concurrent players. History through 2026-07 via SteamCharts; self-collected from the Steam API since Aug 2026.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Hotfix 2 - Let Them Come: Onslaught
Improvements & Fixes: Fixed an issue that could cause the game to freeze when returning to Level Select from the Level Up screen. Catch up on our latest update and what's next Join the discussion We’v
30% OFF Let Them Come: Onslaught
Celebrate Steam's summer sale with a discounted price and dive into retro-fueled chaos. Build the perfect loadout from a wild arsenal of weapons and explosive upgrades, then carve through alien hordes
30% OFF Let Them Come: Onslaught
Celebrate Bullet Fest with a discounted price and dive into retro-fueled chaos. Build the perfect loadout from a wild arsenal of weapons and explosive upgrades, then carve through alien hordes in a su
We're Nominated for Best Audio at the Develop:Star Awards!
We're thrilled to announce that Let Them Come: Onslaught has been nominated for Best Audio at the Develop:Star Awards! Cartridge1987 for creating the incredible OST and audio experience that helped br
What’s Coming Next for Onslaught
Hello Survivors! With Update 4 now out, it has been a blast seeing you all fight in the endless leaderboards, going beyond what we thought the limit was. Thank you to everyone who has jumped in, share
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Action |
| Player tags | Bullet Heaven · Action Roguelike · Roguelite · Action · Bullet Hell · Aliens · Roguelike · Casual · Arcade · Top-Down Shooter · Controller · PvE (Steam store community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Keyboard Only Option · Mouse Only Option · DualShock Controller Support · DualShock Controller Support · DualSense Controller Support |
| Languages | English, German, Korean, Russian, Simplified Chinese, French, Italian, Spanish - Spain, Czech, Japanese, Polish, Portuguese - Brazil, Traditional Chinese, Turkish |
| Controller | Full support |
| Achievements | 25 |
| Official site | https://tuataragames.com/games/let-them-come-onslaught |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10 (64bit versions required) Processor: Intel Core i3 560 @ 3.3 GHz or AMD Phenom II X4 945 @ 3.0 GHz Memory: 4 GB RAM Graphics: NVIDIA GeForce GTX 460 or AMD Radeon HD 5870 (DirectX-11 compliant with 1GB of VRAM) DirectX: Version 10 Storage: 2 GB available space Sound Card: DirectX® 9.0c compatible sound card with latest drivers