Single-player games like Null & Peta -Invasion of the Queen Bug-
Below are 11 single-player Steam games similar to Null & Peta -Invasion of the Queen Bug-, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Null & Peta -Invasion of the Queen Bug- page.
Ranked picks
- 1
Haxor
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required. Shares Action with Null & Peta -Invasion of the Queen Bug-.
Retro pixels are back! Good old 80s/90s style is back! Enjoy a classic 2D platformer with old era graphics! 16x16 pixel sprites and ambient, flat chip tuned 8 bit music! Guide Kla, the last survivor from Haxor planet, through the world full of vicious creatures, deadly traps and giant bosses!
- 2
Omega Warp
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required. Shares Action with Null & Peta -Invasion of the Queen Bug-.
Omega Warp is a sci-fi themed action-adventure, which takes place aboard an interstellar freighter. Explore, upgrade your skills and equipment, and uncover the mysteries surrounding the freighter's loss of communication with the base of operations on Earth.
- 3
Rabi-Ribi
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required. Shares Action with Null & Peta -Invasion of the Queen Bug-.
Dodge bullets, missiles and lasers in battle as you wrap your head around that bunny girl costume! Combo away with your mighty Piko Hammer or spam various spells from afar with your fiery fairy friend. Explore and explode through Rabi-Rabi Island as you collect power-ups and uncover secrets...
- 4
Zexion
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required. Shares Action with Null & Peta -Invasion of the Queen Bug-.
Seek out new weapons and equipment to delve deeper into the dangerous world of Cypher-X72! Be warned, you aren't the only one seeking the forbidden technology known as Zexion! It will take cunning and valor to succeed in this action-packed sci-fi adventure!
- 5
Momodora: Reverie Under The Moonlight
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required. Shares Action with Null & Peta -Invasion of the Queen Bug-.
Momodora: Reverie Under The Moonlight is the fourth installment in the beloved Momodora series of 2D platformers. Unleash ravaging combos against a variety of formidable monsters and deftly dodge your way through a cursed land to seek audience with the Queen and dispel the evil that threatens all life.
- 6
Koumajou Remilia: Scarlet Symphony
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required. Shares Action with Null & Peta -Invasion of the Queen Bug-.
「Koumajou Remilia: Scarlet Symphony」 is an action side-scroller based on the world-famous 「Touhou Project」. The legendary 2009 title comes back with modern upgrades including HD remastered graphics and a number of bonus content, ready to give fans more convenient and pleasant gameplay experience.
- 7
Touhou Luna Nights
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required. Shares Action with Null & Peta -Invasion of the Queen Bug-.
Touhou Luna Nights is a Metroidvania title with a heavy emphasis on exploration and action. Developed by Team Ladybug, creators of multiple fantastic action games thus far.
- 8
Ghost 1.0
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required. Shares Action with Null & Peta -Invasion of the Queen Bug-.
A mysterious agent, capable of becoming a digital ghost, sneaks aboard the Nakamura Space Station. This is where the fun begins: the station is well-protected with its heavy defences, never-ending arsenal of weapons, and mysterious artifacts. It will all have to be destroyed.
- 9
Marco & The Galaxy Dragon
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required.
Marco, an orphan with missing memories, and Arco, a dragon who rules the galaxy, were hunting for treasure in space! On one of their adventures, Marco was given a clue to the whereabouts of her mother. Their next stop, her birthplace - Earth!
- 10
The Princess, the Stray Cat, and Matters of the Heart
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required.
Once upon a time, after his mother passed away, a boy called Nora felt all alone in the world. He spent every day with his unique and kind hearted friends until one fateful day, he had a chance encounter with a princess from the Netherworld.
- 11
The Princess, the Stray Cat, and Matters of the Heart 2
Single-player alternative to Null & Peta -Invasion of the Queen Bug- — playable solo, no multiplayer required.
The Princess, the Stray Cat, and Matters of the Heart 2 is a heart-warming romantic comedy visual novel featuring 5 new heroines and 4 heroines from the first game.