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Source

5 products match your filters

Source is a game engine developed by Valve. It debuted as the successor to GoldSrc. Source does not have a concise version numbering scheme; instead, it is designed in constant incremental updates. The engine began to be phased out by the late 2010s, with Source 2 succeeding it.

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≥ 01 Jan 2025 ≤ 31 Dec 2025

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Name	Price	Rating	Release	Follows	Online	Peak
Half-Life 2 RTX	Free	53.48%	18 Mar	311	16	3,802
The Cleaning Game	Free	74.95%	01 Jan	229	1	66
A Nights Haunting: Source	Free	52.51%	30 Jan	11	0	5
Fernandez Big Mystery Demo Demo	Free	40.58%	24 May	—	0	1
SourceWorld Demo Demo	Free	—	05 Jun	—	5	49

Discount color explanation

Blue discount Product has not been this cheap before (new historical low). Green discount Product is priced on par with lowest recorded price. Purple discount Product is priced on par with lowest recorded price in last two years.

This page contains: A list of Steam games using Source Engine. Source is a game engine developed by Valve. It debuted as the successor to GoldSrc. Source does not have a concise version numbering scheme; instead, it is designed in constant incremental updates. The engine began to be phased out by the late 2010s, with Source 2 succeeding it. Filters: ≥ 01 Jan 2025, ≤ 31 Dec 2025

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