Mythos, Book One
| App ID | 3213410 |
| App Type | Game |
| Developer | Nine of Swords Studios |
| Publisher | Nine of Swords Studios |
| Franchise | Mythos |
| Supported Systems | Windows macOS Linux |
| Technologies | PyGame Engine, RenPy Engine |
| Last Changenumber | 31218707 |
| Last Record Update | 20 September 2025 – 14:28:25 UTC ( |
| Release Date | 17 June 2025 – 20:17:45 UTC ( |
An "adult" murder mystery urban fantasy comedy visual novel! Lisa Harrison (your ex-girlfriend) is dead, and you have a feeling there's more to it than meets the eye. As you search for answers surrounding Lisa's death, you discover a hidden magical world lurks within modern-day Baltimore.
Steam price history
Current Price
$12.99
Lowest Recorded Price
$9.87 at -24%
26 July 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$12.99 | $12.99 | $9.87 | $9.87 at -24% | |
 Russian Ruble |
490 ₽ | $5.85 | -54.96% | $4.44 | 372 ₽ at -24% |
 South Asia - USD |
$6.49 | $6.49 | -50.04% | $4.93 | $4.93 at -24% |
 Kazakhstani Tenge |
3600₸ | $6.62 | -48.99% | $5.03 | 2736₸ at -24% |
 Vietnamese Dong |
180000₫ | $6.81 | -47.52% | $5.18 | 137000₫ at -24% |
 Indian Rupee |
₹ 610 | $6.87 | -47.04% | $5.22 | ₹ 463 at -24% |
 Ukrainian Hryvnia |
285₴ | $6.89 | -46.92% | $5.22 | 216₴ at -24% |
 Indonesian Rupiah |
Rp 114999 | $6.89 | -46.92% | $5.24 | Rp 87399 at -24% |
 LATAM - U.S. Dollar |
$7.29 | $7.29 | -43.88% | $5.54 | $5.54 at -24% |
 MENA - U.S. Dollar |
$7.29 | $7.29 | -43.88% | $5.54 | $5.54 at -24% |
 Philippine Peso |
₱424.00 | $7.29 | -43.88% | $5.54 | ₱322.24 at -24% |
 South African Rand |
R 127.00 | $7.32 | -43.60% | $5.56 | R 96.52 at -24% |
 CIS - U.S. Dollar |
$7.49 | $7.49 | -42.34% | $5.69 | $5.69 at -24% |
 Chilean Peso |
CLP$ 7300 | $7.59 | -41.52% | $5.77 | CLP$ 5548 at -24% |
 Taiwan Dollar |
NT$ 238 | $7.81 | -39.85% | $5.90 | NT$ 180 at -24% |
 Brazilian Real |
R$ 41,99 | $7.85 | -39.51% | $5.97 | R$ 31,91 at -24% |
 Kuwaiti Dinar |
2.45 KD | $8.01 | -38.29% | $6.08 | 1.86 KD at -24% |
 Malaysian Ringgit |
RM34.00 | $8.05 | -38.00% | $6.12 | RM25.84 at -24% |
 Peruvian Sol |
S/.29.50 | $8.44 | -34.98% | $6.41 | S/.22.42 at -24% |
 Colombian Peso |
COL$ 33000 | $8.47 | -34.76% | $6.44 | COL$ 25080 at -24% |
 Thai Baht |
฿275.00 | $8.49 | -34.59% | $6.45 | ฿209.00 at -24% |
 Qatari Riyal |
30.99 QR | $8.51 | -34.47% | $6.46 | 23.55 QR at -24% |
 Mexican Peso |
Mex$ 157.99 | $8.60 | -33.78% | $6.53 | Mex$ 120.07 at -24% |
 Uruguayan Peso |
$U399 | $10.00 | -22.96% | $7.59 | $U303 at -24% |
 Japanese Yen |
¥ 1500 | $10.02 | -22.80% | $7.62 | ¥ 1140 at -24% |
 Singapore Dollar |
S$13.00 | $10.06 | -22.53% | $7.64 | S$9.88 at -24% |
 U.A.E. Dirham |
37.00 AED | $10.07 | -22.44% | $7.65 | 28.12 AED at -24% |
 South Korean Won |
₩ 14500 | $10.28 | -20.82% | $7.81 | ₩ 11020 at -24% |
 Hong Kong Dollar |
HK$ 83.00 | $10.67 | -17.86% | $8.10 | HK$ 63.08 at -24% |
 New Zealand Dollar |
NZ$ 18.99 | $10.95 | -15.69% | $8.32 | NZ$ 14.43 at -24% |
 Costa Rican Colon |
₡5800 | $11.51 | -11.33% | $8.75 | ₡4410 at -24% |
 Canadian Dollar |
CDN$ 16.99 | $12.18 | -6.20% | $9.25 | CDN$ 12.91 at -24% |
 Australian Dollar |
A$ 18.95 | $12.40 | -4.51% | $9.42 | A$ 14.40 at -24% |
 Israeli New Shekel |
₪47.95 | $14.28 | +9.94% | $10.85 | ₪36.44 at -24% |
 Norwegian Krone |
145,00 kr | $14.53 | +11.89% | $11.04 | 110,20 kr at -24% |
 British Pound |
£10.99 | $14.72 | +13.39% | $11.19 | £8.35 at -24% |
 Euro |
12,79€ | $14.97 | +15.24% | $11.37 | 9,72€ at -24% |
 Polish Zloty |
59,99zł | $16.45 | +26.66% | $12.50 | 45,59zł at -24% |
 Swiss Franc |
CHF 14.50 | $18.17 | +39.88% | $13.80 | CHF 11.02 at -24% |
 Chinese Yuan |
N/A | N/A | N/A | ||
 Saudi Riyal |
N/A | N/A | $5.82 | 21.85 SR at -24% | |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | Nine of Swords Studios | |||||||||||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||||||||||
| Publisher | Nine of Swords Studios | |||||||||||||||||||||||||||
| Store Release Date | 17 June 2025 – 20:17:48 UTC ( |
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| osarch | 64 | |||||||||||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||||||||||
| Social Media | https://bsky.app/profile/9ofswords.bsky.social https://discord.gg/skvd2sP https://www.youtube.com/@nineoswords2993 |
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| Primary Genre | RPG (3) | |||||||||||||||||||||||||||
| Store Genres | Indie (23), RPG (3) | |||||||||||||||||||||||||||
| Steam Release Date | 17 June 2025 – 20:17:45 UTC ( |
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| Store Asset Modification Time | 26 July 2025 – 18:15:16 UTC ( |
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| osextended | macos64,macosapplesilicon | |||||||||||||||||||||||||||
| review_score | 7 | |||||||||||||||||||||||||||
| review_percentage | 89 | |||||||||||||||||||||||||||
| Detected Technologies (?) | PyGame Engine, RenPy Engine | |||||||||||||||||||||||||||
| Steam Deck Compatibility |
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| restricted_countries | CN,DE,SA China,  Germany, Saudi Arabia |
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| Content Descriptors | Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5) | |||||||||||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||||||||||
| First seen on SteamDB | 3 September 2024 – 21:01:12 UTC ( |
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| Content Descriptors (Including DLC) | Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5) | |||||||||||||||||||||||||||
Supported Languages
| 2 Languages | Interface | Full Audio | Subtitles | Achievements |
|---|---|---|---|---|
| English | Yes | Yes | Yes | |
| French | Yes | Yes | Yes |
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