[Rob Morris]

According to AI these are the differences between TBCB 2.0 and TBCB 2.5:

Title Bout Championship Boxing 2.5 (TBCB 2.5) introduced several, primarily organizational and cosmetic, enhancements over TBCB 2.0 designed to improve user experience, particularly for those managing large, complex universes.
Key differences between TBCB 2.0 and TBCB 2.5 include:
Unlimited Group Assignments: In TBCB 2.0, you were limited to assigning a maximum of two groups per fighter. In TBCB 2.5, the number of groups a fighter can be assigned to is unlimited.

Visible Aging Ratings: TBCB 2.5 makes career stage ratings (pre-prime, prime, etc.) visible and editable as distinct records, rather than keeping the adjustments hidden as was the case in 2.0.

Revised Auto-Aging: The auto-aging system in 2.5 has been revised to create a new career stage rating record if one is not available, rather than just adjusting the base rating.

Easier Large Database Management: The update enhanced functionality to assist in managing large universes (e.g., 23,000+ fighters).

Import Process: 2.5 includes a designed import process for transferring TBCB 2.0 universes without requiring manual changes.

While some users in forums reported that the core game felt similar and that the update felt more like a patch than a completely new engine, the 2.5 version, particularly in its later patches (e.g., 2.5.27), was considered more refined for long-term universe management.