>>536668873
Just so we're clear about how fucking terrible, here's the breakdown for the superior i.e. less grindy Team Sonic Racing. A game that doesn't have microtransactions thus has no incentive to fuck over the player with endless grind.

Team Sonic Racing Credits system

List of Mod Pods via Gachapon
Number of performance parts: 270
Number of Paint kits (not counting ones unlocked by default or unlocked in story mode): 5
Number of Vinyls : 14
Number of Horns : 45

Average time to finish a race in first place: 3 minutes
Maximum number of credits for winning a race (Expert difficulty, high score): 35*

270 + 5 + 14 + 45 = 334 Mod Pods
Cost of a mod pod: 10 credits

344 x 10 = 3340 Credits**

3340/35 = 95.42857142857143 [96]
3 minutes x 75 = 288 minutes
Minimum amount of time need to unlock all mod pods by getting first in expert mode: 4 HOURS and 48 MINUTES

*It's possible to gain more than this in story mode via added "Star Points" and "Key points" with the highest possible payout being 45 credits.
**Certain items unlockable via credits are also unlockable by beating story mode challenges.

Lastly, there is some RNG as parts are given via a Gachapon. You can't get duplicates but you might get a Bonus Box instead. Still a hellava lot less grind that CTR:NF.

>>536668862
I did this in my spare time on a lark. Math is fun, bitch.