[Level 1] The purge of my leftovers keys continues (Jigidi)

I really have too much keys left, so here is a little train, hidden behind a puzzle, to get it. The GA all end tomorrow December 18th at around 5pm CET. All GA are level 1 contributor.

It starts here.
And not to waste your time, here is a list of the games you can win :

Quest of Dungeons
Regular Human Basketball
The Stillness of the Wind
Think of the Children
Tower of Guns
Void Bastards
Fluffy Horde
SOULCALIBUR VI
Sword Legacy: Omen
11-11 Memories Retold
SYNTHETIK: Legion Rising
Kingdom Come: Deliverance

Good luck all.