The SEGA video game listing notes the games edited or established by SEGA:
For Halo Infinite you can currently pick up a Halo Championship Series Bundle for free in the shop of the game. The bundle includes tank surfaces in the HCS colors for the armor seeds Mark VII, Mark V (B) and Yuri. And so you get the Halo Championship Series Bundle: From the main menu you move with the RB button on the Rider shop, which is located at the top right of navigation. Then navigate to the left at the bottom of the tile Halo Championship Series Shop on HCS offers. Then you should already see the tile with HCS release gift on the bottom left at the listed items, which costs 0 credits. Now press A to inspect or X to buy it for 0 credits.