31st prototype PC
Only Steam sells it on this platform right now, at $1.99.
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All live offers in United States, cheapest first.
Steam31st prototype$1.99Shop now
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Confidence25%
- Currently at full price.
- 75% chance of a discount within 30 days.
Upcoming: Steam Autumn SaleNov 24 – Dec 1
- Chance of a sale in 30 days
- 75%
- Typical sale price
- —
- Best discount seen
- —
- Sales tracked
- 0
Price stats
- Best price now
- $1.99at Steam
- All-time low
- $1.99at Steam · Oct 28, 2026
- 3-month low
- $1.99
- 1-year low
- $1.99
- Regular price
- $1.99
- Discounts in the last year
- 0
Price history
Each step is a price change. The bold line is the cheapest price across stores.
Regional prices
Every tracked region converted to USD.
| Region | Store | Price | ≈ USD |
|---|---|---|---|
| IndiaCheapest region | Steam | ₹109.00 | $1.14 |
| Ukraine | Steam | ₴55.00 | $1.21 |
| Argentina | Steam | $1.39 | $1.39 |
| Türkiye | Steam | $1.39 | $1.39 |
| Kazakhstan | Steam | ₸660.00 | $1.45 |
| Brazil | Steam | R$7.95 | $1.49 |
| United States | Steam | $1.99 | $1.99 |
| Poland | Steam | zł 8.35 | $2.11 |
| Germany (EU) | Steam | €2.09 | $2.33 |
| United Kingdom | Steam | £1.79 | $2.38 |
About
31st prototype is $1.99 at Steam right now. The lowest price we have recorded is $1.99 (Oct 28, 2026). Wait: A better price is likely soon.
This is a steampunk puzzle game. player use ↑↓←→to control the robot,press Z/ENTER/SPACE to explore the map, and press X/ESC to save game The frame is sketch style, let you immerse the retro atomospher.