[Master Thread] Achievements with letters and Steam Profile Customization

In this thread, I want to collect all games currently on Steam with letter achievements that you can feature on you Achievement Showcase, as well as some other stuff you can use to costumize your profile, such as backgrounds that blends into profile, etc.

LYNE: Store page | Achievements

Zup!: Store page | Achievements

Zup! 2: Store page | Achievements

Zup! 3: Store page | Achievements | Backgrounds

Zup! 4: Store page | Achievements

Zup! Zero: Store page | Achievements | Backgrounds

Zup! 5: Store page | Will probably have letter achievements when released

Oik: Store page | Achievements

Oik 2: Store page | Achievements

The Last Tree Store page | Achievemets | Backgrounds
Disclosure: I am involved in creation of achievements and backgorunds for this game, so this might be considered as a promotion of it.

Zen Garden: Store page | Achievements

Arcane Raise: Store page | Achievements

Arcane RERaise: Store page | Achievements

Arcane preRaise: Store page | Achievements

Zoop! - Hunter's Grimm: Store page | Achievements Emojis

Cucumber Blues: Store page | Achievements

Slash It: Store page | Achievements

Slash It 2: Store page | Achievements

Tourists Kidnapped a Little Bear: Store page | Achievements

Sleengster: Store page | Achievements

Sleengster 2: Store page | Achievements

monstercakes: Store page | Achievements

NGHTMN: Store page | Achievements

Machine Hunt: Store page | Achievements

Torch Cave: Store page | Achievements

Torch Cave 2: Store page | Achievements

GO AWAY, THERE'S KUMIS OVER THERE!: Store page | Achievements

Rock 'N' Roll Defense: Store page | Achievements

Minimalism: Store page | Achievements

Cyberhunt: Store page | Achievements

Outrunner: Store page | Achievements

Running Through Russia: Store page | Achievements

Rage Parking Simulator 2016: Hub | Achievements

The First Spark: Store | Achievements

The Last Photon: Store | Achievements

3 GooCubelets Games Vol.1: Store | Achievements

Sekwere: IndieGala | Achievements

If you know other games with achievements, let me know and I'll include them in the list. Besides LYNE, Zup! and Oik, which are popular, I knew about The Last Tree because I made them for the developer, and Zen Garden because I know developer. I saw some games featured in Steam Gifts giveaways that has them, but I'm don't remember names, so please if you know their names, let me know.