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Technologies » AntiCheat » TheiaAntiTamper

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Theia is an anti-tamper system developed by ZeroITLab. Theia provides detections for tools commonly used to reverse engineer games such as IDA Pro, X64DBG and pe-bear.

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# Name % Price Rating Release Follows Online Peak
$7.99 93.31% Apr 2024 99,625 1,127 204,439
Haste Demo Demo
Free 93.20% Feb 2025 24 1,543
$29.99 88.78% May 2022 47,921 966 9,670
$19.99 88.42% Apr 2025 37,384 220 5,312
$39.99 85.52% Oct 2016 160,419 4,758 53,714
$59.99 84.05% May 2025 28,919 5,243 16,304
Free 83.83% Jul 2025 38,693 1,018 47,913
Free 77.34% Dec 2023 351,207 21,279 242,619
$69.99 72.25% May 2024 28,422 1,772 13,327
$49.99 70.31% Nov 2018 311,870 2,401 116,104
$29.99 69.80% Oct 2019 61,851 63 4,022
66.21% Aug 2024 6,289 0 697
Free 65.67% Sep 2025 52,200 99,012 134,901
63.26% Jun 2022 113,735 0 40,854
$49.99 61.61% Nov 2023 25,243 449 4,538
57.61% Sep 2023 110,583 3,692 107,359
56.79% Sep 2022 155,401 1,466 110,878
$69.99 54.73% Aug 2024 4,494 973 5,917
$69.99 51.36% Sep 2024 89,163 25,213 110,026
$69.99 50.80% Sep 2025 28,163 93,169 96,544
46.61% Aug 2023 6,300 268 9,526
$59.99 46.58% Nov 2021 350,724 15,649 107,376
-30% $48.99 42.29% Aug 2025 2,686 3,655 5,549
436 3,015
Free Sep 2025 198 218
Aug 2025 0 521,079
Jul 2024 11 0 2,388
This page contains a list of Steam games using the TheiaAntiTamper AntiCheat. We detect various technologies such as engines and SDKs used by games on Steam from depot file lists. This process is entirely automatic and does have mismatches, the rule set we use is available on GitHub. You can report issues and suggest new rules there.

These detections rely on our bot owning games to be able to see the file lists. Submit a key for your game improve our coverage!

Discount color explanation

Blue discount Product has not been this cheap before (new historical low). Green discount Product is priced on par with lowest recorded price. Purple discount Product is priced on par with lowest recorded price in last two years.

Game icon explanation

In Library
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Watched
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This page contains: A list of Steam games using TheiaAntiTamper AntiCheat. Theia is an anti-tamper system developed by ZeroITLab. Theia provides detections for tools commonly used to reverse engineer games such as IDA Pro, X64DBG and pe-bear.

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