MK-ULTRA Psychic Defense
| App ID | 3121430 |
| App Type | Game |
| Developer | Zero Sequels |
| Publisher | Zero Sequels |
| Supported Systems | Windows |
| Last Changenumber | 31454505 |
| Last Record Update | 3 October 2025 – 04:12:48 UTC ( |
| Release Date | 2 December 2024 – 11:10:37 UTC ( |
Play as a young Ted Kaczynski, experiencing first hand the horrors of the MK-ULTRA program in this highly unique psychedelic tower defense game.
Steam price history
Current Price
$1.99
Lowest Recorded Price
$1.99
10 May 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$1.99 | $1.99 | $1.99 | $1.99 | |
 Russian Ruble |
82 ₽ | $1.03 | -48.00% | $0.94 | 75 ₽ at -25% |
 Kazakhstani Tenge |
600₸ | $1.12 | -43.49% | $1.12 | 600₸ |
 Vietnamese Dong |
30000₫ | $1.13 | -42.72% | $1.13 | 30000₫ |
 Indonesian Rupiah |
Rp 19499 | $1.17 | -40.92% | $0.90 | Rp 15000 at -25% |
 Ukrainian Hryvnia |
50₴ | $1.18 | -40.32% | $1.18 | 50₴ |
 Indian Rupee |
₹ 105 | $1.19 | -40.19% | $0.85 | ₹ 75 at -25% |
 Philippine Peso |
₱71.49 | $1.20 | -39.26% | $1.20 | ₱71.49 |
 South African Rand |
R 21.50 | $1.25 | -37.01% | $1.25 | R 21.50 |
 South Asia - USD |
$1.29 | $1.29 | -35.18% | $1.29 | $1.29 |
 Brazilian Real |
R$ 6,99 | $1.30 | -34.45% | $1.30 | R$ 6,99 |
 Malaysian Ringgit |
RM5.69 | $1.35 | -31.77% | $1.35 | RM5.69 |
 Chilean Peso |
CLP$ 1300 | $1.38 | -30.61% | $0.79 | CLP$ 750 at -25% |
 CIS - U.S. Dollar |
$1.39 | $1.39 | -30.15% | $1.39 | $1.39 |
 Saudi Riyal |
5.25 SR | $1.39 | -29.65% | $1.39 | 5.25 SR |
 Colombian Peso |
COL$ 5500 | $1.42 | -28.20% | $0.97 | COL$ 3750 at -25% |
 Thai Baht |
฿47.00 | $1.45 | -26.95% | $1.45 | ฿47.00 |
 Mexican Peso |
Mex$ 26.99 | $1.46 | -26.44% | $1.22 | Mex$ 22.50 at -25% |
 Kuwaiti Dinar |
0.45 KD | $1.46 | -26.27% | $1.46 | 0.45 KD |
 Taiwan Dollar |
NT$ 45 | $1.47 | -26.01% | $1.21 | NT$ 37 at -26% |
 Peruvian Sol |
S/.5.00 | $1.47 | -25.88% | $1.10 | S/.3.75 at -25% |
 LATAM - U.S. Dollar |
$1.49 | $1.49 | -25.13% | $1.49 | $1.49 |
 MENA - U.S. Dollar |
$1.49 | $1.49 | -25.13% | $1.49 | $1.49 |
 Qatari Riyal |
5.49 QR | $1.50 | -24.26% | $1.50 | 5.49 QR |
 Japanese Yen |
¥ 235 | $1.54 | -22.26% | $1.54 | ¥ 235 |
 Chinese Yuan |
¥ 11 | $1.54 | -22.15% | $1.05 | ¥ 7.50 at -25% |
 South Korean Won |
₩ 2300 | $1.60 | -19.37% | $1.60 | ₩ 2300 |
 Uruguayan Peso |
$U64 | $1.60 | -19.31% | $1.60 | $U64 |
 U.A.E. Dirham |
6.00 AED | $1.63 | -17.90% | $1.63 | 6.00 AED |
 Singapore Dollar |
S$2.15 | $1.66 | -16.54% | $1.66 | S$2.15 |
 Hong Kong Dollar |
HK$ 13.00 | $1.67 | -15.92% | $1.67 | HK$ 13.00 |
 New Zealand Dollar |
NZ$ 2.99 | $1.72 | -13.22% | $1.72 | NZ$ 2.99 |
 Canadian Dollar |
CDN$ 2.59 | $1.85 | -6.61% | $1.85 | CDN$ 2.59 |
 Costa Rican Colon |
₡950 | $1.89 | -4.84% | $1.49 | ₡750 at -25% |
 Australian Dollar |
A$ 2.95 | $1.94 | -2.24% | $1.94 | A$ 2.95 |
 Israeli New Shekel |
₪7.25 | $2.22 | +11.85% | $2.22 | ₪7.25 |
 Norwegian Krone |
22,25 kr | $2.22 | +11.96% | $2.22 | 22,25 kr |
 British Pound |
£1.69 | $2.24 | +12.64% | $2.24 | £1.69 |
 Euro |
1,99€ | $2.31 | +16.47% | $2.31 | 1,99€ |
 Polish Zloty |
8,99zł | $2.47 | +24.31% | $2.06 | 7,50zł at -25% |
 Swiss Franc |
CHF 2.25 | $2.83 | +42.49% | $2.83 | CHF 2.25 |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | Zero Sequels | |||||||||||||||||
| ReleaseState | released | |||||||||||||||||
| Publisher | Zero Sequels | |||||||||||||||||
| Store Release Date | 2 December 2024 – 11:10:40 UTC ( |
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| osarch | 64 | |||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||
| Primary Genre | Strategy (2) | |||||||||||||||||
| Store Genres | Strategy (2), Early Access (70) | |||||||||||||||||
| Steam Release Date | 2 December 2024 – 11:10:37 UTC ( |
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| Store Asset Modification Time | 15 November 2024 – 14:15:17 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||
| review_score | 7 | |||||||||||||||||
| review_percentage | 95 | |||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||
| AI Content Type | 1 | |||||||||||||||||
| Early Access Release Date | 2 December 2024 – 00:00:00 UTC ( |
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| First seen on SteamDB | 20 July 2024 – 14:29:36 UTC ( |
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Supported Languages
| 10 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | ||
| French | Yes | ||
| Italian | Yes | ||
| German | Yes | ||
| Spanish - Spain | Yes | ||
| Japanese | Yes | ||
| Korean | Yes | ||
| Russian | Yes | ||
| Simplified Chinese | Yes | ||
| Spanish - Latin America | Yes |
Assets
Load all asset images
| trailer_name | Early Access Release Trailer |
| trailer_category | 0 |
| trailer_480p ↴ | |
| video/webm | 257073994/movie480_vp9.webm |
| video/mp4 | 257073994/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257073994/movie_max_vp9.webm |
| video/mp4 | 257073994/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 3121430/786486/a2b753565b2971721b8bff3e63022b0150f5db0d/1750872528/microtrailer.webm |
| video/mp4 | 3121430/786486/a2b753565b2971721b8bff3e63022b0150f5db0d/1750872528/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3121430/786486/a2b753565b2971721b8bff3e63022b0150f5db0d/1750872528/dash_av1.mpd |
| dash_h264 | 3121430/786486/a2b753565b2971721b8bff3e63022b0150f5db0d/1750872528/dash_h264.mpd |
| hls_h264 | 3121430/786486/a2b753565b2971721b8bff3e63022b0150f5db0d/1750872528/hls_264_master.m3u8 |
| screenshot_medium | 257073994/9ffc99e5fc106153dec84ef0e4149258d0f6829d/movie_600x337.jpg |
| screenshot_full | 257073994/9ffc99e5fc106153dec84ef0e4149258d0f6829d/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 15 November 2024 – 14:15:36 UTC |
