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Sigma Theory - Deluxe Edition - Price
Price
Best price now: —
Price without discount:
Discount: 0%
Historical best price: £4.34
Dynamics of the Best Price
Price Dynamics
| Date | Store | Old Price | New Price | Price Change | |
|---|---|---|---|---|---|
| 09/10/25 |  | GOG | £21.79 | £4.39 | -80% |
| 08/10/25 | | GOG | £4.39 | £21.79 | +80% |
| 07/10/25 |  | Steam | £7.22 | £21.82 | +67% |
| 01/10/25 | | Steam | £21.82 | £7.22 | -67% |
| 25/09/25 | | GOG | £21.79 | £4.39 | -80% |
| 19/09/25 | | GOG | £4.39 | £21.79 | +80% |
| 18/09/25 | | GOG | £21.79 | £4.39 | -80% |
| 18/09/25 | | GOG | £4.39 | £21.79 | +80% |
| 27/08/25 | | GOG | £21.79 | £4.39 | -80% |
| 24/08/25 | | Steam | £6.32 | £21.82 | +71% |
| 18/08/25 | | GOG | £4.39 | £21.79 | +80% |
| 10/08/25 | | Steam | £21.82 | £6.32 | -71% |
| 09/08/25 | | GOG | £21.79 | £4.39 | -80% |
| 23/07/25 | | GOG | £4.39 | £21.79 | +80% |
| 10/07/25 | | Steam | £5.40 | £21.82 | +75% |
| 27/06/25 | | Steam | £21.82 | £5.40 | -75% |
| 15/06/25 | | Steam | £6.32 | £21.82 | +71% |
| 10/06/25 | | GOG | £21.79 | £4.39 | -80% |
| 03/06/25 | | GOG | £4.39 | £21.79 | +80% |
| 02/06/25 | | Steam | £21.82 | £6.32 | -71% |
| 26/05/25 | | GOG | £21.79 | £4.39 | -80% |
| 22/05/25 | | GOG | £4.39 | £21.79 | +80% |
| 14/05/25 | | GOG | £21.79 | £4.39 | -80% |
| 11/05/25 | | GOG | £4.39 | £21.79 | +80% |
| 30/04/25 | | GOG | £21.79 | £4.39 | -80% |
| 22/04/25 | | Steam | £6.32 | £21.82 | +71% |
| 15/04/25 | | Steam | £21.82 | £6.32 | -71% |
| 03/04/25 | | GOG | £4.39 | £21.79 | +80% |
| 20/03/25 | | Steam | £5.40 | £21.82 | +75% |
| 14/03/25 | | Steam | £21.82 | £5.40 | -75% |
| 28/02/25 | | GOG | £21.79 | £4.39 | -80% |
| 21/02/25 | | GOG | £4.39 | £21.79 | +80% |
| 24/01/25 | | GOG | £21.79 | £4.39 | -80% |
| 22/01/25 | | GOG | £4.39 | £21.79 | +80% |
| 14/01/25 | | GOG | £21.79 | £4.39 | -80% |
| 11/01/25 | | GOG | £4.39 | £21.79 | +80% |
| 03/01/25 | | Steam | £4.49 | £21.82 | +79% |
| 20/12/24 | | Steam | £21.82 | £4.49 | -79% |
| 05/12/24 | | Steam | £5.40 | £21.82 | +75% |
| 28/11/24 | | Steam | £21.82 | £5.40 | -75% |
| 26/11/24 | | GOG | £21.79 | £4.39 | -80% |
| 21/11/24 | | GOG | £4.39 | £21.79 | +80% |
| 13/11/24 | | GOG | £21.79 | £4.39 | -80% |
| 05/11/24 | | GOG | £4.39 | £21.79 | +80% |
| 28/10/24 | | GOG | £21.79 | £4.39 | -80% |
| 16/10/24 | | GOG | £4.39 | £21.79 | +80% |
| 19/09/24 | | GOG | £21.79 | £4.39 | -80% |
| 10/09/24 | | GOG | £4.39 | £21.79 | +80% |
| 26/08/24 | | GOG | £21.79 | £4.39 | -80% |
| 20/08/24 | | GOG | £4.39 | £21.79 | +80% |
| 13/08/24 | | GOG | £21.79 | £4.39 | -80% |
| 19/07/24 | | GOG | £4.39 | £21.79 | +80% |
| 19/06/24 | | GOG | £21.79 | £4.39 | -80% |
| 11/06/24 | | GOG | £4.39 | £21.79 | +80% |
| 04/06/24 | | GOG | £21.79 | £4.39 | -80% |
| 09/05/24 | | GOG | £4.39 | £21.79 | +80% |
| 01/05/24 | | GOG | £21.79 | £4.39 | -80% |
| 12/04/24 | | GOG | £4.39 | £21.79 | +80% |
| 21/03/24 | | Steam | £5.40 | £21.82 | +75% |
| 20/03/24 | | GOG | £21.79 | £4.39 | -80% |
| 15/03/24 | | Steam | £21.82 | £5.40 | -75% |
| 08/03/24 | | GOG | £4.39 | £21.79 | +80% |
| 29/02/24 | | GOG | £21.79 | £4.39 | -80% |
| 22/02/24 | | GOG | £17.49 | £21.79 | +20% |
| 14/02/24 | | GOG | £21.79 | £17.49 | -20% |
| 13/02/24 | | GOG | £4.39 | £21.79 | +80% |
| 05/02/24 | | GOG | £21.79 | £4.39 | -80% |
| 24/01/24 | | GOG | £4.39 | £21.79 | +80% |
| 16/01/24 | | GOG | £21.79 | £4.39 | -80% |
| 05/01/24 | | Steam | £5.40 | £21.82 | +75% |
| 22/12/23 | | Steam | £21.82 | £5.40 | -75% |
| 20/11/23 | | GOG | £4.39 | £21.79 | +80% |
| 13/11/23 | | GOG | £21.79 | £4.39 | -80% |
| 23/10/23 | | GOG | £4.39 | £21.79 | +80% |
| 16/10/23 | | GOG | £21.79 | £4.39 | -80% |
| 09/10/23 | | GOG | £4.39 | £21.79 | +80% |
| 02/10/23 | | GOG | £21.79 | £4.39 | -80% |
| 23/03/23 | | Steam | £6.52 | £21.82 | +70% |
| 16/03/23 | | Steam | £21.82 | £6.52 | -70% |
| 05/01/23 | | Steam | £5.44 | £21.82 | +75% |
| 22/12/22 | | Steam | £21.82 | £5.44 | -75% |
| 29/11/22 | | Steam | £8.71 | £21.82 | +60% |
| 22/11/22 | | Steam | £21.82 | £8.71 | -60% |
| 20/10/22 | | Steam | £4.34 | £21.82 | +80% |
| 13/10/22 | | Steam | £21.82 | £4.34 | -80% |
| 07/07/22 | | Steam | £4.34 | £21.82 | +80% |
| 23/06/22 | | Steam | £21.82 | £4.34 | -80% |
| 03/05/22 | | Steam | £4.34 | £21.82 | +80% |
| 25/04/22 | | Steam | £21.82 | £4.34 | -80% |
| 04/02/22 |  | Fanatical | — | £25.66 | — |
| 13/01/22 | | GOG | — | £21.79 | — |
| 05/01/22 | | Steam | £5.44 | £21.82 | +75% |
| 23/12/21 | | Steam | £21.82 | £5.44 | -75% |
| 01/12/21 | | Steam | £8.71 | £21.82 | +60% |
| 24/11/21 | | Steam | £21.82 | £8.71 | -60% |
| 01/11/21 | | Steam | £10.88 | £21.82 | +50% |
| 28/10/21 | | Steam | £21.82 | £10.88 | -50% |
| 08/07/21 | | Steam | £8.71 | £21.82 | +60% |
| 24/06/21 | | Steam | — | £8.71 | — |