Serious Sam Fusion is a central hub for several existing Serious Sam games developed by Croteam. Cool new features, engine upgrades, patches and updates will be released to existing owners for FREE!
We are not affiliated with IsThereAnyDeal.
Serious Sam Fusion 2017 brings several Serious Sam games developed by Croteam to the latest in-house tech! The best part? If you own a Serious Sam game listed below you'll be getting a Serious Sam Fusion 2017 version of that game for FREE! Serious Sam Fusion 2017 is also a central hub for existing Serious Sam games that will enable seamless integration of new engine features, patches, and upgrades.
Please keep in mind that this release of Serious Sam Fusion 2017 is currently in beta. You'll experience extreme violence, inexplicable joy, some sadness, sometimes all at once, and, how shall we put it... erm, occasional bugs. Please use the official discussions page to let us know of anything that might be bothering you. Thanks!
Serious Sam Fusion 2017 enables a lot of cool new features, like a common workshop and cross-game mods. All of the games can be started from one application, so you can jump between playing The First Encounter level to a Serious Sam 3 level and back without exiting the game. When listing game servers, servers playing TFE, TSE, SS3 – will all appear in the same list and you can vote map across games if you want. Oh, and owners of our VR games are able to play multiplayer together with their "flat" counterparts! Since there are so many changes and exciting new features, we'll just go ahead a list them here as bullet points.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.
Serious Sam Fusion 2017 brings several Serious Sam games developed by Croteam to the latest in-house tech! The best part? If you own a Serious Sam game listed below you'll be getting a Serious Sam Fusion 2017 version of that game for FREE! Serious Sam Fusion 2017 is also a central hub for existing Serious Sam games that will enable seamless integration of new engine features, patches, and upgrades.
Please keep in mind that this release of Serious Sam Fusion 2017 is currently in beta. You'll experience extreme violence, inexplicable joy, some sadness, sometimes all at once, and, how shall we put it... erm, occasional bugs. Please use the official discussions page to let us know of anything that might be bothering you. Thanks!
Serious Sam Fusion 2017 enables a lot of cool new features, like a common workshop and cross-game mods. All of the games can be started from one application, so you can jump between playing The First Encounter level to a Serious Sam 3 level and back without exiting the game. When listing game servers, servers playing TFE, TSE, SS3 – will all appear in the same list and you can vote map across games if you want. Oh, and owners of our VR games are able to play multiplayer together with their "flat" counterparts! Since there are so many changes and exciting new features, we'll just go ahead a list them here as bullet points.
Serious Sam Fusion is a central hub for several existing Serious Sam games developed by Croteam. Cool new features, engine upgrades, patches and updates will be released to existing owners for FREE!
We are not affiliated with IsThereAnyDeal.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.
