Compare Sleep Attack prices across trusted key stores and find the best deal. Developed by Bad Seed. Published by Plug In Digital. Released on 5/28/2015. Available on PC. Genres: Casual, Indie, Strategy. Metacritic score: 59/100.

A tower defense where you draw the enemy paths yourself, clever twist, but thin content keeps it from going the distance.

Sleep Attack is a tower defense game from Bad Seed that flips one of the genre's oldest assumptions: instead of plopping turrets along a fixed road, you drag and reshape the battlefield itself, routing enemies through whatever gauntlet you choose to build. That single mechanical pivot is genuinely interesting. Longer paths mean more turret coverage, but the game's economy punishes stalling, so you are constantly weighing a tight, efficient kill corridor against an ambitious looping maze that leaves gaps for faster units to exploit. If you have ever wished tower defense had a spatial puzzle layer baked in, Sleep Attack scratches that itch in a way most genre entries never attempt. As a strategy piece, the depth is real but narrow. Path manipulation is the one lever you get to pull creatively, and once you have internalized the damage math and enemy movement speeds, the decision space stops expanding. There are no branching upgrade trees, no hero units, no asymmetric faction abilities to theory-craft. What you see in the first few stages is essentially what you are working with at the end, scaled upward in enemy health and speed. For a 200-hour grand-strategy veteran that is a short runway, though the game never claims to be anything more than a compact indie experiment, which is fair enough. The AI here is a non-factor in the traditional sense because enemies follow the literal path you draw, removing routing unpredictability almost entirely. That cuts both ways. It makes the game more puzzle-like and less chaotic, which suits players who prefer deterministic planning over reactive scrambling. The tutorial is lightweight but the concept is simple enough that most players will find their footing within the first stage. This is not a game that asks for a manual. It asks for geometric intuition and a willingness to restart when your maze falls apart under wave pressure. The mod ecosystem is effectively absent, the replayability hinges on personal taste for self-imposed efficiency challenges, and the Mixed Steam rating reflects a player base that found the concept promising but the content budget thin. Seventy-five percent positive out of 76 reviews is a small sample, and the criticism pattern is consistent: good idea, not enough of it. If you are someone who can extract mileage from a single tight mechanic and enjoy iterating on path layouts for score optimization, Sleep Attack holds up as a low-commitment afternoon session. If you need systemic depth, branching build variety, or a campaign that meaningfully evolves its ruleset, you will likely feel the ceiling arrive faster than you expected. Diego, Scout Team

Sleep Attack

Sleep Attack

May 28, 2015Bad SeedPlug In Digital
GamerScout Says

A tower defense where you draw the enemy paths yourself, clever twist, but thin content keeps it from going the distance.

PC
ProtonDB Platinum
Best Price Available
€1.38-80%
at YuPlay
Lowest tracked: €1.38
Track this price

GamerScout Verdict

A clever one-trick tower defense worth a short session, but limited content means dedicated strategy players will hit the ceiling fast.

Compare Prices(8 stores)

YuPlayBest price
StandardGlobalSteam KeyKey
€1.38-80%
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€1.96
Priced in EUR by the store
Buy
StandardEurope (EU)Steam KeyKey
€2.05-71%
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€3.00-19%
Priced in EUR by the store
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StandardEurope (EU)Steam KeyKey
€4.99
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€5.48-22%
Priced in EUR by the store
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StandardGlobalSteam KeyKey
€5.94-15%
Priced in EUR by the store
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StandardGlobalSteam KeyKey
€6.99
Priced in EUR by the store
Buy

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Price History

Lowest tracked
€1.3823 Jun 2026
Current best
€1.38
Lowest since we started tracking
Keyshops
€1.29€1.61€1.92€2.245 Jun29 Jun22 Jul15 Aug7 Sept
5 Jun — 7 Sept
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Screenshots & Media

About Sleep Attack

Sleep Attack is a tower defense game from Bad Seed that flips one of the genre's oldest assumptions: instead of plopping turrets along a fixed road, you drag and reshape the battlefield itself, routing enemies through whatever gauntlet you choose to build. That single mechanical pivot is genuinely interesting. Longer paths mean more turret coverage, but the game's economy punishes stalling, so you are constantly weighing a tight, efficient kill corridor against an ambitious looping maze that leaves gaps for faster units to exploit. If you have ever wished tower defense had a spatial puzzle layer baked in, Sleep Attack scratches that itch in a way most genre entries never attempt. As a strategy piece, the depth is real but narrow. Path manipulation is the one lever you get to pull creatively, and once you have internalized the damage math and enemy movement speeds, the decision space stops expanding. There are no branching upgrade trees, no hero units, no asymmetric faction abilities to theory-craft. What you see in the first few stages is essentially what you are working with at the end, scaled upward in enemy health and speed. For a 200-hour grand-strategy veteran that is a short runway, though the game never claims to be anything more than a compact indie experiment, which is fair enough. The AI here is a non-factor in the traditional sense because enemies follow the literal path you draw, removing routing unpredictability almost entirely. That cuts both ways. It makes the game more puzzle-like and less chaotic, which suits players who prefer deterministic planning over reactive scrambling. The tutorial is lightweight but the concept is simple enough that most players will find their footing within the first stage. This is not a game that asks for a manual. It asks for geometric intuition and a willingness to restart when your maze falls apart under wave pressure. The mod ecosystem is effectively absent, the replayability hinges on personal taste for self-imposed efficiency challenges, and the Mixed Steam rating reflects a player base that found the concept promising but the content budget thin. Seventy-five percent positive out of 76 reviews is a small sample, and the criticism pattern is consistent: good idea, not enough of it. If you are someone who can extract mileage from a single tight mechanic and enjoy iterating on path layouts for score optimization, Sleep Attack holds up as a low-commitment afternoon session. If you need systemic depth, branching build variety, or a campaign that meaningfully evolves its ruleset, you will likely feel the ceiling arrive faster than you expected.

Diego
Diego · Scout Team

Strategy & simulation

Tags

steamPath ManipulationPuzzle Tower DefenseScore AttackMinimalist StrategyShort Playthrough

System Requirements

Minimum

Processor
1.8 Ghz
Memory
2 GB RAM
Graphics
Video card with 512 MB of VRAM
DirectX
Version 9.0c
Storage
1 GB available space

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Reviews & Ratings

Metacritic
59
Steam
75%(76)

Game Info

Developer
Bad Seed
Publisher
Plug In Digital
Release Date
May 28, 2015

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Frequently asked questions about Sleep Attack

How much does Sleep Attack cost?

As of 7 September 2026, the cheapest in-stock offer for Sleep Attack is €1.38 at YuPlay, out of 9 live offers we track across verified key stores. Prices change daily — the table on this page is refreshed continuously.

Where can I buy Sleep Attack cheapest?

The lowest in-stock price we track for Sleep Attack is €1.38 at YuPlay (7 September 2026). We compare 9 live offers from verified key stores — the full table with every store and its trust score is on this page.

What platforms is Sleep Attack available on?

Sleep Attack is available on PC.

When was Sleep Attack released?

Sleep Attack was released on 28 May 2015.

Who developed Sleep Attack?

Sleep Attack was developed by Bad Seed and published by Plug In Digital.

Is Sleep Attack worth buying?

Sleep Attack holds a Metacritic score of 59/100, making it one of the standout Casual titles. See the full reviews, ratings and how-long-to-beat times on this page to decide.