Based in Utrecht, Netherlands

Release date:
23 October, 2014

Steam (PC/MAC)
Google Play



Regular Price:

PC/Mac - EUR€6.99
Mobile - EUR€2.69


Sleep Attack gives a new TWIST to tower defense games, allowing the player to control the arena’s layout and the paths his enemies will follow. Build and place powerful turrets to attack invaders, then rotate the battlefield with a simple swipe to force foes down your preferred path of destruction. Be careful though, there are always multiple routes to control! Accurately choose the placement and the upgrade levels of your towers, for each one possesses unique strengths and weaknesses.




  • Control the terrain with strategic swipes of your finger - twist and turn your enemies so your towers can destroy them!
  • Nine tower types to construct and upgrade, each with their own strengths and weaknesses.
  • 17 gruesome enemies with different abilities, ranging from the speedy Boardog to the gargantuan Ghost.
  • Six unique and beautifully designed dream worlds containing many epic levels to conquer.
  • Discover massive boss enemies, each with their own fearsome powers and special abilities.
  • Cast formidable spells to avoid defeat when the going gets really tough!
  • Beautiful dreamlike graphics take you on a vividly imagined journey.


Trailer Vimeo

Awards & Recognition

  • "Featured globally in the "Best new Games" Category" iOS Store, 23 October, 2014
  • "GreenLit by the Steam Community" Steam Greenlight, 2 April, 2015

Selected Articles

  • "Just a Microphone Short of a Beck Song. It's also original enough to entertain even the most seasoned TD veteran. 4.5/5"
    - Andrew Fretz, TouchArcade
  • "[Sleep Attack] is a game that truly is a twist on a familiar format, in every sense of the word."
    - Jennifer Allen, 148Apps
  • "Sleep Attack TD's stage-spinning gameplay adds a dash of originality - and difficulty - to a solid tower defence game"
    - Nadia Oxford, PocketGamer
  • "...you can rotate the battlefield to work in your favour, and this one change makes for a refreshing gameplay experience... It's cute too, with a frankly adorable cartoon look."
    - Peter Willington, appspy.com

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About Vlambeer

Vlambeer is a Dutch independent game studio made up of Rami Ismail and Jan Willem Nijman, bringing back arcade games since 1976. Vlambeer is best known for Super Crate Box, Radical Fishing, Serious Sam: The Random Encounter and GUN GODZ, even though they've released quite a few more games and experiments since their founding in September 2010.

More information
More information on Vlambeer, our logo & relevant media are available here.

Sleep Attack Credits

Roberto Mangiafico | Jacopo Musso | Silvio Savino | Federico Borin

Clara Parona | Riccardo Landi
Game Designers

Andrea Niccolai | Luca Baggio
Concepts and 2D Artists

Rita Serrazanetti

Black Pearl Sound
Music and Sound

Alessandro Borini | Giulia Berro
PR and Marketing

Jacopo Musso
Business and Management

press kit template by Rami Ismail (Vlambeer) & inspired by Andreas Zecher (madebypixelate)