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I'm on Observation Duty 4

US$4.99 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

CA$6.49 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

£4.29 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

€4.99 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

A$7.50 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

Type
Full game
Released
Dec 22, 2021
Runs on
Windows, Steam Deck (Verified)
Reviews

Steam ★★★★★ Overwhelmingly Positive 96% (792)

Steam
Store page

Prices by store

StorePriceRuns onLowest trackedLink
Steam US$4.99 not on sale Windows, Steam Deck (Verified) US$3.99 View deal
Steam CA$6.49 not on sale Windows, Steam Deck (Verified) CA$5.19 View deal
Steam £4.29 not on sale Windows, Steam Deck (Verified) £3.43 View deal
Steam €4.99 not on sale Windows, Steam Deck (Verified) €3.99 View deal
Steam A$7.50 not on sale Windows, Steam Deck (Verified) A$6.00 View deal

CA$ prices are each store's own price in Canada; we started tracking them on Nov 1, 2026. The deal check and price history below use these CA$ prices only, so they start there.

£ prices are each store's own price in the UK; we started tracking them on Nov 1, 2026. The deal check and price history below use these £ prices only, so they start there.

€ prices are each store's own price in Ireland; we started tracking them on Nov 1, 2026. The deal check and price history below use these € prices only, so they start there.

A$ prices are each store's own price in Australia; we started tracking them on Nov 2, 2026. The deal check and price history below use these A$ prices only, so they start there.

"Lowest tracked" is the lowest price we have recorded since we started tracking this game, not an all-time record.

Deal check: buy now or wait?

Wait for a sale. We've tracked it at US$3.99 before. Also, the Steam Winter Sale starts on December 17, about 6 weeks from now.

  • We've seen it on sale 1 time since we started tracking it on Oct 18, 2026.
  • Lowest price we've tracked: US$3.99 on Oct 26, 2026.

Price history

US$0US$2.00US$4.00US$6.00Oct 18Oct 22Oct 27Oct 31NowLowest tracked US$3.99 (Oct 26, 2026)
US$0US$2.00US$4.00US$6.00Oct 18Oct 27NowLowest tracked US$3.99 (Oct 26, 2026)
SteamLowest tracked

Tracked for 18 days (since Oct 18, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

Deal check: buy now or wait?

Wait for a sale. We've tracked it at CA$5.19 before. Also, the Steam Winter Sale starts on December 17, about 6 weeks from now.

Price history

CA$0CA$2.00CA$4.00CA$6.00CA$8.00Nov 01Nov 02Nov 03Nov 04NowLowest tracked CA$5.19 (Nov 01, 2026)
CA$0CA$2.00CA$4.00CA$6.00CA$8.00Nov 01Nov 03NowLowest tracked CA$5.19 (Nov 01, 2026)
SteamLowest tracked

Tracked for 4 days (since Nov 01, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

Deal check: buy now or wait?

Wait for a sale. We've tracked it at £3.43 before. Also, the Steam Winter Sale starts on December 17, about 6 weeks from now.

Price history

£0£2.00£4.00£6.00Nov 01Nov 02Nov 03Nov 04NowLowest tracked £3.43 (Nov 01, 2026)
£0£2.00£4.00£6.00Nov 01Nov 03NowLowest tracked £3.43 (Nov 01, 2026)
SteamLowest tracked

Tracked for 3 days (since Nov 01, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

Deal check: buy now or wait?

Wait for a sale. We've tracked it at €3.99 before. Also, the Steam Winter Sale starts on December 17, about 6 weeks from now.

Price history

€0€2.00€4.00€6.00Nov 01Nov 02Nov 03Nov 04NowLowest tracked €3.99 (Nov 01, 2026)
€0€2.00€4.00€6.00Nov 01Nov 03NowLowest tracked €3.99 (Nov 01, 2026)
SteamLowest tracked

Tracked for 3 days (since Nov 01, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

Deal check: buy now or wait?

Wait for a sale. We've tracked it at A$6.00 before. Also, the Steam Winter Sale starts on December 17, about 6 weeks from now.

Price history

A$0A$2.50A$5.00A$7.50A$10.00Nov 02Nov 03Nov 04NowLowest tracked A$6.00 (Nov 02, 2026)
A$0A$2.50A$5.00A$7.50A$10.00Nov 02Nov 03NowLowest tracked A$6.00 (Nov 02, 2026)
SteamLowest tracked

Tracked for 2 days (since Nov 02, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

Bundles that include this game

The Notovia Collection

US$44.38

US$11.12 less than buying the 10 separately (US$55.50)

I'm on Observation Duty 6, I'm on Observation Duty 7, I'm on Observation Duty 8, I'm on Observation Duty 5 and 6 more

Steam's prices on Nov 2, for each bundle against its parts bought one by one. A bundle may include DLC.

Bundles that include this game

The Notovia Collection

CA$71.74

CA$17.96 less than buying the 10 separately (CA$89.70)

I'm on Observation Duty 7, I'm on Observation Duty 6, I'm on Observation Duty 8, I'm on Observation Duty 5 and 6 more

Steam's prices on Nov 4, for each bundle against its parts bought one by one. A bundle may include DLC.

Bundles that include this game

The Notovia Collection

£48.26

£12.08 less than buying the 10 separately (£60.34)

I'm on Observation Duty 6, I'm on Observation Duty 7, I'm on Observation Duty 8, I'm on Observation Duty 5 and 6 more

Steam's prices on Nov 4, for each bundle against its parts bought one by one. A bundle may include DLC.

Bundles that include this game

The Notovia Collection

€54.51

€13.65 less than buying the 10 separately (€68.16)

I'm on Observation Duty 6, I'm on Observation Duty 7, I'm on Observation Duty 8, I'm on Observation Duty 5 and 6 more

Steam's prices on Nov 4, for each bundle against its parts bought one by one. A bundle may include DLC.

Bundles that include this game

The Notovia Collection

A$81.54

A$20.39 less than buying the 10 separately (A$101.93)

I'm on Observation Duty 7, I'm on Observation Duty 6, I'm on Observation Duty 8, I'm on Observation Duty 5 and 6 more

Steam's prices on Nov 4, for each bundle against its parts bought one by one. A bundle may include DLC.

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