HAL Protocol
| App ID | 3726440 |
| App Type | Game |
| Developer | The Last Semicolon Dev |
| Publisher | The Last Semicolon Dev |
| Supported Systems | Windows |
| Technologies | Unity Engine |
| Last Changenumber | 29901938 |
| Last Record Update | 4 July 2025 – 17:12:33 UTC ( |
| Release Date | 23 June 2025 – 17:25:50 UTC ( |
Your shift aboard the HIS 01 Echo is finally over. The return shuttle awaits you in Compartment 9. All that's left is to walk there. But the corridor to Compartment 9 loops endlessly. Each time, something shifts. Uncover the mystery. Escape the impossible.
Steam price history
Current Price
$4.99
Lowest Recorded Price
$4.99
23 June 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$4.99 | $4.99 | $4.99 | $4.99 | |
 Russian Ruble |
200 ₽ | $2.46 | -50.52% | $2.46 | 200 ₽ |
 Kazakhstani Tenge |
1500₸ | $2.78 | -44.26% | $2.78 | 1500₸ |
 Vietnamese Dong |
73500₫ | $2.78 | -44.16% | $2.78 | 73500₫ |
 Indian Rupee |
₹ 250 | $2.83 | -43.17% | $2.83 | ₹ 250 |
 Indonesian Rupiah |
Rp 47499 | $2.88 | -42.13% | $2.88 | Rp 47499 |
 South African Rand |
R 52.00 | $2.93 | -41.13% | $2.93 | R 52.00 |
 LATAM - U.S. Dollar |
$2.99 | $2.99 | -40.08% | $2.99 | $2.99 |
 MENA - U.S. Dollar |
$2.99 | $2.99 | -40.08% | $2.99 | $2.99 |
 South Asia - USD |
$2.99 | $2.99 | -40.08% | $2.99 | $2.99 |
 Ukrainian Hryvnia |
124₴ | $3.00 | -39.86% | $3.00 | 124₴ |
 Philippine Peso |
₱174.95 | $3.06 | -38.66% | $3.06 | ₱174.95 |
 Chinese Yuan |
¥ 22 | $3.08 | -38.17% | $3.08 | ¥ 22 |
 Chilean Peso |
CLP$ 3000 | $3.09 | -37.92% | $3.09 | CLP$ 3000 |
 Brazilian Real |
R$ 16,99 | $3.11 | -37.53% | $3.11 | R$ 16,99 |
 Saudi Riyal |
11.95 SR | $3.18 | -36.18% | $3.18 | 11.95 SR |
 CIS - U.S. Dollar |
$3.29 | $3.29 | -34.07% | $3.29 | $3.29 |
 Malaysian Ringgit |
RM13.99 | $3.30 | -33.75% | $3.30 | RM13.99 |
 Taiwan Dollar |
NT$ 102 | $3.32 | -33.39% | $3.32 | NT$ 102 |
 Colombian Peso |
COL$ 13500 | $3.37 | -32.37% | $3.37 | COL$ 13500 |
 Peruvian Sol |
S/.12.00 | $3.39 | -31.92% | $3.39 | S/.12.00 |
 Mexican Peso |
Mex$ 64.49 | $3.44 | -31.02% | $3.44 | Mex$ 64.49 |
 Thai Baht |
฿115.00 | $3.55 | -28.74% | $3.55 | ฿115.00 |
 Qatari Riyal |
12.99 QR | $3.56 | -28.50% | $3.56 | 12.99 QR |
 Kuwaiti Dinar |
1.10 KD | $3.59 | -27.93% | $3.59 | 1.10 KD |
 Japanese Yen |
¥ 580 | $3.91 | -21.59% | $3.91 | ¥ 580 |
 Uruguayan Peso |
$U159 | $3.96 | -20.48% | $3.96 | $U159 |
 South Korean Won |
₩ 5600 | $4.01 | -19.46% | $4.01 | ₩ 5600 |
 Singapore Dollar |
S$5.25 | $4.07 | -18.38% | $4.07 | S$5.25 |
 U.A.E. Dirham |
15.00 AED | $4.08 | -18.15% | $4.08 | 15.00 AED |
 Hong Kong Dollar |
HK$ 33.00 | $4.23 | -15.21% | $4.23 | HK$ 33.00 |
 New Zealand Dollar |
NZ$ 7.39 | $4.33 | -13.11% | $4.33 | NZ$ 7.39 |
 Canadian Dollar |
CDN$ 6.49 | $4.69 | -5.81% | $4.69 | CDN$ 6.49 |
 Costa Rican Colon |
₡2400 | $4.75 | -4.74% | $4.75 | ₡2400 |
 Australian Dollar |
A$ 7.50 | $4.89 | -1.93% | $4.89 | A$ 7.50 |
 Israeli New Shekel |
₪18.50 | $5.49 | +10.13% | $5.49 | ₪18.50 |
 Norwegian Krone |
55,49 kr | $5.52 | +10.62% | $5.52 | 55,49 kr |
 British Pound |
£4.29 | $5.76 | +15.45% | $5.76 | £4.29 |
 Euro |
4,99€ | $5.81 | +16.55% | $5.81 | 4,99€ |
 Polish Zloty |
22,99zł | $6.29 | +26.22% | $6.29 | 22,99zł |
 Swiss Franc |
CHF 5.49 | $6.82 | +36.80% | $6.82 | CHF 5.49 |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | The Last Semicolon Dev | |||||||||||||||||||
| controller_support | full | |||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | The Last Semicolon Dev | |||||||||||||||||||
| Store Release Date | 23 June 2025 – 17:25:53 UTC ( |
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| osarch | 64 | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Primary Genre | Indie (23) | |||||||||||||||||||
| Store Genres | Indie (23), Simulation (28) | |||||||||||||||||||
| Steam Release Date | 23 June 2025 – 17:25:50 UTC ( |
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| Store Asset Modification Time | 29 May 2025 – 11:42:32 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| Detected Technologies (?) | Unity Engine, UnityBurst SDK, UnityIL2CPP SDK | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| First seen on SteamDB | 6 May 2025 – 10:07:03 UTC ( |
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Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes |
