OtherSUMMER Physics 1.33 December 9, 2018December 3, 2018 - Leave a Comment Compatible with 1.33.* of ATS & ETS2, WILL NOT WORK with EARLIER VERSIONS. SCS made significant physics changes with release of 1.33. A detailed explanation of this mod’s behaviors is available in Mod Manager Credits: Eddie Yantz Download mod File File size ey133summerphysics 33 KB Share mod: