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Deep Among the Swarm

Deep Among the Swarm

Deep Among the Swarm is a challenging survival RTS roguelite about surviving against thousands of enemies. Drill ever deeper underground while fighting the endless onslaught of the Swarm. Can you save humanity?

Released Sep 25, 2024 Developer Pebble Mountain Games Platforms Windows RTSBase-BuildingTower DefenseSurvivalRogue-lite
View on Steam ↗ $8.99 (US · as of 2026-05-19)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

86.5%positive141 reviews
Recommended · 1 found this helpful

“Peak, 10/10. The game knows what it wants to be and nails it in every way.”

— a player, Steam review · 2 hrs played
Not recommended · 0 found this helpful

“Just didn't grab me, it has serious problems with the execution. Resources fill so fast that it feels like you need to constantly be pausing to queue research / energy spreaders which is just annoying. There's almost zero depth in the resource economy. Aside from the body…”

— a player, Steam review · 4 hrs played
Not recommended · 0 found this helpful

“I can't tell if it's a bug or intended, but literally invincible, invisible enemies will teleport to your HQ and instantly kill it. Game is literally unplayable.”

— a player, Steam review · 7 hrs played
Read more reviews ↗

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.

7achievements
8.7%median completion
2.4%rarest: Challenge 1
86.8% of players 20.7% of players 14.9% of players 8.7% of players 7.9% of players 6.3% of players 2.4% of players 86.8% 0% most earned rarest
Almost everyone has
86.8%Cave Eradication — Destroy all enemies in a single map in the caves biome
20.7%Ice Biome — Enter the Ice Biome
14.9%Ice Eradication — Destroy all enemies in a single map in the ice biome
Rarest badges of honor
2.4%Challenge 1 — Beat the game on challenge 1
6.3%Saved — Beat the game
7.9%Lava Eradication — Destroy all enemies in a single map in the lava biome

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

May 16, 2025
Patch 1.1.32

Patch 1.1.32 * Fixed text issues on negative map modifiers. * Added rarity labels for equipment comparisons/crafting. * When salvaging buildings the cursor will snap to grid. * If all sides of a repli

Mar 31, 2025
Patch 1.1 out now!

Hi everyone! This patch has been in the works for quite some time and I am glad to finally release it. Version 1.1 Patch Notes General New Bosses. New weapons, buildings and drones. Slightly reduced t

Oct 17, 2024
Patch 1.0.67

Patch 1.0.67 Drill UI Improvements Added tabs onto the right side UI to contain crafting, equipment lists and augments. Hovering over equipment now shows the stats and gives comparisons. When you have

Oct 09, 2024
Patch 1.0.54

Patch 1.0.54 New Features & Improvements Remade the Drill UI to make it simpler to use, faster to compare and require less clicks to do what you want to do. Crafting core equipment (Miner & Generator)

Sep 28, 2024
Patch 1.0.33

Patch 1.0.33 Ordering units to move/attack move off the map should still work and try and path to the nearest open tile In the leaderboards your name/stats will appear bolded Leaderboard global tab wi

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresStrategy
Player tagsRTS · Base-Building · Tower Defense · Survival · Rogue-lite · Strategy · Resource Management · Simulation · Procedural Generation · Time Management · Singleplayer · Real-Time with Pause (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Cloud · Steam Leaderboards · Family Sharing
LanguagesEnglish
Achievements7
Minimum system requirements (PC)

Minimum: OS *: Windows 7 (64-bit) Processor: INTEL, AMD 2 cores CPU at 2Ghz Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 960 2GB / AMD Radeon R7 370 2GB DirectX: Version 10 Storage: 2 GB available space