Loop Defense: Acquisition Protocol
Cheapest right now: $5.59 USD at Steam (20% off). 1 store compared, checked 9 Nov 2026.
A sci-fi tower defense where you design enemy routes and build defenses on alien planets. Combine 16 weapons, hold off counterattacks, and advance through a four-planet campaign. Research new gear, face wall-breakers and bosses, or try Endless Mode, seeded expeditions and the map editor.
Platforms: Windows
| Store | Price | Discount |
|---|---|---|
| Steam | $5.59 | 20% |
Is it a good deal right now?
$5.59 USD at Steam is 20% off. We have no record low for Loop Defense: Acquisition Protocol to compare it with. The regular price is $6.99, so $5.59 saves $1.40. The Steam discount ends on 16 November 2026 at 18:00 UTC.
Price history
There is no chart yet: we record a game's cheapest price each day from the first time it is looked at here, and a chart needs two days of prices. It appears on this page once we have them.
Screenshots
System requirements
Windows
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i3-6100 / AMD Ryzen 3 1200 or equivalent
- Memory: 4 GB RAM
- Graphics: Intel HD Graphics 630 / AMD Radeon Vega 8 or equivalent, Direct3D 11 compatible
- DirectX: Version 11
- Storage: 500 MB available space
- Sound Card: DirectX-compatible sound card
- VR Support: Not supported
- Additional Notes: 64-bit operating system required. Minimum display resolution: 1280x720. Low visual quality recommended for integrated graphics. Partial controller support; keyboard and mouse are required for some interactions.
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10/11 64-bit
- Processor: Intel Core i5-8400 / AMD Ryzen 5 2600 or equivalent
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 1050 / AMD Radeon RX 560 or equivalent, Direct3D 11 compatible
- DirectX: Version 11
- Storage: 1 GB available space
- Sound Card: DirectX-compatible sound card
- VR Support: Not supported
- Additional Notes: 64-bit operating system required. Recommended display resolution: 1600x900. Higher resolutions and High visual quality may require more powerful hardware. Partial controller support; keyboard and mouse are required for some interactions.
As listed on the game's Steam page.
Steam wishlist sale checker
Paste your Steam profile to see which games on your wishlist are on sale right now, and the cheapest store for each, then the rest of the list at its regular price, ready to save. Your wishlist needs to be public.
Steam library value calculator
Paste your Steam profile to see what your library is worth at today's US Steam prices, how much of it you never played, and which games on sale you could add next, from the genres you play most. Your game details need to be public.
Free to keep
Games to claim and keep right now, and the ones that are free next.
Free to keep once claimed. Listings from the Epic Games Store and GamerPower.
Most played
The Steam games with the most players right now. Open one to compare its price across stores.
New releases
Popular new games on Steam. Open one to compare its price across stores.
Saved games
Kept in this browser. Open one to see today's prices, or tap its heart to remove it.
See which games on your Steam wishlist are on sale