Early work During his time in college, he helped a friend program a card game,
Grand Slam Bridge, for CYBRON Corporation which was released in 1986.
Interplay Entertainment Cain began working at
Interplay Entertainment in 1991. The first game released with his involvement was
''The Bard's Tale Construction Set'' (1991) where he served as one of the game's programmers. He was also a programming consultant on
Stonekeep (1995) and helped with coding for
Star Trek: Starfleet Academy (1997).
Fallout and Fallout 2 In early 1994, he began work on an
isometric game engine which would eventually develop into the post-apocalyptic
role-playing video game Fallout.
Fallout was released in 1997 after three and half years of development to critical acclaim. He was placed on the team for the sequel,
Fallout 2, over his objections, wanting instead to work on a project unrelated to
Fallout. Cain later explained in May 2023 that he left
Fallout 2 months into development due to burnout and the cut in his bonus pay for
Fallout by executive producer
Brian Fargo as punishment for a game-delaying
buffer overflow crash bug. Colleagues
Jason D. Anderson and
Leonard Boyarsky resigned along with him. In an interview, he criticized the bigger influence from sales/marketing department during
Fallout 2 development, saying, "We were losing part of the game to a larger group who had bigger plans for it."
Troika Games (left) and
Leonard Boyarsky (right) Cain co-founded
Troika Games in 1998 with former
Fallout colleagues Jason Anderson and Leonard Boyarsky. Cain also served as both project lead and lead programmer. His next game reunited him with Thomas R. Decker, the original
Fallout producer. As project leader and lead designer he produced within 20 months the
Dungeons & Dragons game
The Temple of Elemental Evil for publisher
Atari in 2003. While he enjoyed the development process, Cain was ultimately disappointed in the resulting game. After
Bethesda Game Studios secured the
Fallout license from
Interplay Entertainment in 2004, Cain expressed disappointment. Cain had mixed reactions to
Fallout 3, praising Bethesda's understanding of
Fallout lore as well as the adaptation of "S.P.E.C.I.A.L." system into a
first-person shooter role-playing video game (FPS-RPG), while criticizing the humor and reuse of story elements from earlier
Fallout games.
Carbine Studios Cain joined
Carbine Studios when it was formed in 2005 as its programming director working on a fantasy MMO game for
NCSoft. Cain left Carbine Studios in July 2011.
Obsidian Entertainment In 2011, Tim Cain joined
Obsidian Entertainment as senior programmer. He worked on
Pillars of Eternity, which was funded through
Kickstarter. He was also a co-director for
The Outer Worlds. As of June 2020, Cain was no longer a full time employee of Obsidian, but still collaborated on
The Outer Worlds 2, as well as for two other companies on a contract basis. On December 5, 2025, Tim announced on his YouTube channel that he had moved back to Southern California and returned to full time, in person employment with Obsidian.
Youtube channel Cain created a
YouTube channel in 2011. He began regularly uploading videos in 2023 in which he discusses topics such as the video game industry, video game development, business management, and his experiences with different companies and projects, as well as occasional personal stories. As of November 2025, the channel has released 674 videos and has 192k subscribers. ==Personal life==