Here's the run down on if you're eligible for a 50% or 100% discount via the store page:
100%* off if you have downloaded one of the following Nintendo Switch™ games from Nintendo eShop:
- Space Pioneer
- Sheep Patrol
50%* off if you have downloaded one of the following Nintendo Switch™ games from Nintendo eShop:
- Jumping Joe & Friends
- Coloring Book
- Not Not - A Brain Buster
- Geki Yaba Runner Anniversary Edition
- Wreckin' Ball Adventure
- Puzzle Book
- Party Treats
Some games might be not available in your country.
*Of the regular undiscounted purchase price on Nintendo eShop.
Many of the other games in that countdown make you eligible for 50% off if you didn't remember to redeem Space Pioneer on Christmas Eve