https://www.pcgamer.com/sonic-spins-big-discounts-from-fanaticals-sega-week-sale/

Sonic Mania is the endearing retro throwback that Andy declared a "breakneck platformer that uses classic Sonic as a foundation for something fresh and exciting". It's also the game that spawned this article. That was a long day. 

Anyway, Fanatical is rounding off its Sega Week Sale with a showing from the blue hedgehog himself. At 75 percent off, Sonic Generations Collection costs just £3.74/your regional equivalent. Sonic Forces, on the other hand, comes in at £17.49, 50 percent less its original price.