05/30/2019
Hold Your Fire and Explody Bomb have been confirmed to be delisted from the Wii U eShop. They currently show up on Nintendo's site so you may still be able to purchase them for now.
Explody Bomb: https://www.nintendo.com/games/detail/explody-bomb-wii-u/
Hold Your Fire: https://www.nintendo.com/games/detail/hold-your-fire-a-game-about-responsibility-wii-u/