Explain the TRON arcade game
Basically,
The movie
TRON features several games made by Flynn in his spare time at ENCOM including
Light Cycles (the bikes one) and
Space Paranoids (where the Recognisers are from). These games are used as a form of gladiatorial combat in ENCOM's systems, which (following the introduction of the MCP) is being used to weed out dissenters such as the actual Tron (who is a security program originally coded by Alan Bradley, but he was cut off from Bradley following the infiltration of ENCOM's central server via a hacker, who was actually Flynn using an early iteration of CLU) and thus ended up being forced into said gladitorial combat in the form of the five games that Kevin Flynn programmed on ENCOM's servers in his free time (which Dillinger stole and then used as leverage to get a promotion.) The
TRON arcade game is directly based on the film but was retroactively inserted into
Tron: Legacy as like a sort of inside thing, given that it features a disc sequence, the I/O tower sequence, the lightcycles and the tank stuff. Thing is, the
TRON arcade game is
not canon to the
TRON universe: nor is
Discs of TRON for that matter. Within the world of
TRON, there's obviously Flynn's games but also a few more made by him after his promotion to ENCOM's CEO position. Bear in mind that
TRON 2.0 is technically "canon" but to a diverging timeline, so it's not canon to
Tron: Legacy making it technically irrelevant in today's space: but games like
TRON: Evolution and
TRON: Identity are canon to the mainline timeline in the form of the
Legacy one - but also note that
TRON: Evolution - Battle Grids isn't canon to either timeline, nor are
Kingdom Hearts 2, TRON: Run/r or
Fall Guys.
Tl;dr, the
TRON arcade game was made specifically to tie into the film - it's not representative of the arcade games that existed within the film's world.