Games like Nectarmare
Games like Nectarmare include Vampire Survivors, CHUCHEL, Zuma Deluxe, A Dance of Fire and Ice, and Cat Goes Fishing. We matched them by the tags players give Nectarmare on Steam (Casual, Arcade, Bullet Hell, 2D, and Colorful): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · 2D · Casual

CHUCHEL
Shared: Casual · Colorful · Cute

Zuma Deluxe
Shared: Arcade · Casual · 2D

A Dance of Fire and Ice
Shared: Arcade · 2D · Colorful

Cat Goes Fishing
Shared: 2D · Casual · Cute

The WereCleaner
Shared: Casual · Arcade · Cartoony

Passpartout: The Starving Artist
Shared: Casual · Colorful · Hand-drawn

Cuphead
Shared: Cartoon · 2D · Bullet Hell

Shelldiver
Shared: Casual · Arcade · 2D

Muse Dash
Shared: Casual · Cute · 2D

Draw & Guess
Shared: Casual · 2D · Cute

Kabuto Park
Shared: Casual · Cute · Colorful

Carto
Shared: Cute · Hand-drawn · Casual

pureya
Shared: Arcade · Casual · 2D

Slime Rancher 2
Shared: Cute · Colorful · Casual

Bloons TD 6
Shared: Casual · Cartoony · Family Friendly

Is This Seat Taken?
Shared: Casual · Cute · Colorful

Peggle Deluxe
Shared: Casual · Arcade · 2D

Bit Blaster XL
Shared: Bullet Hell · Arcade · 2D

Twin Shot Deluxe
Shared: Casual · Arcade · Cute

Slime Rancher
Shared: Cute · Colorful · Casual

SUPER CHICKEN JUMPER
Shared: Arcade · 2D · Cute

Plants vs. Zombies GOTY Edition
Shared: Casual · 2D · Family Friendly

Melatonin
Shared: Cute · Colorful · 2D