GameSearch

An AI-Powered Search and Recommendation Engine for Itch.io RPGs

Invaders From Planet X
One step of this process requires completing a mathematical practice puzzle to construct an important piece of evidence. Before playing the game, choose one of the puzzle topics. Players must determine the mapping between alien symbols and English letters, decrypt the alien message, then figure out the correct response! Invaders From Planet X is a classroom game that blends mathematical practice with an escape room-style puzzle element.
Price:
$6.00
Rating:
5.00 (from 1 reviews)
Published:
These games are similar to Invaders From Planet X ...
Hints and Hijinx   - The solo mystery game system
Phanta   - A rules-lite 2-6 player RPG about surviving after the destruction of earth
Deadly Revelation   - A Murder Mystery Tabletop RPG
Murder!   - A Wretched & Alone mystery RPG!
Arcana Academy   - PbtA Magic School Mystery
Paranormal Inc.   - A gm-less mystery game of paranormal investigation!
Picket Line Tango   - A Murder Mystery for Mothership
Oh Maker   - A game about being androids discovering your identity and relationship with your creator
EXTRACAUSAL   - A Role-Playing Game of Emergent Mystery and Darkness
Plague of Frogs   - A mystery/adventure for Liminal Horror.
Into the Glacier   - A Solitary Game of Exploration, Wonder, and Peril
Waffles for Esther   - A solo mystery journaling game of small town hijinks.
Invaders From Planet X is similar to...
Save Your Braves   - A mystery dungeon TTRPG
Flowers On Your Doorstep   - A solo mystery journaling game
SUSPECT 2e   - Pocket mystery ttrpg
Murder!   - A Wretched & Alone mystery RPG!
Solo Mystery Generator for TTRPGs   - TTRPG Solo Mystery Engine
A Weekend in the Country   - A murder mystery for one or more players
Deadly Revelation   - A Murder Mystery Tabletop RPG
Plague of Frogs   - A mystery/adventure for Liminal Horror.
Slay Demonic Cultivator Joe Biden   - A Hamburger Xianxia game about using weird dice math to slay a tyrrant.
Picket Line Tango   - A Murder Mystery for Mothership
She Who Burns   - Monster of the Week mystery
Ghostfall: Tales of Evershade   - System Neutral Supernatural Mystery
If you like Nuts & Bolts SRD check out...
Four Points RPG System SRD   - System Reference Document for the Four Points RPG System
Second Guess System SRD   - An SRD for one page solo TTRPGs.
Guide to Building a System Reference Document   - A quick set of advice for making your own SRD
Ruled by Night SRD   - Make your own stealth based roleplaying games using the engine behind Night Reign
Wretched & Alone SRD   - An SRD for creating journaling games.
Scarred by Quietus SRD   - Make your own games using Quietus
Tapestry SRD   - Resources and guidance for creating games based on Tapestry.
This Game Takes Place Anywhere SRD   - SRD
Breathless - System Reference Document   - An SRD for creating Breathless games.
4d4s SRD   - A solo Journaling SRD
Threads of Lachesis SRD   - Create detailed branched random event generators and games that use a single roll.
Primal Quest - Essentials   - A Weird Stone & Sorcery Adventure Game
Elf Genders   - Roll Tables for RPG Worldbuilding
AGON   - Heroic action in the mythic age
AZAG   - A Weird Bronze Age Sword & Sorcery RPG
Thálassa   - Mythical Age Role-Playing Game
OLDHOME: Children Chasing Giants   - A coming of age adventure for 1+ players
The BLOODY-HANDED NAME of BRONZE   - The TTRPG of Bronze Age SWORD & SORCERY driven by PASSION!
Under the Seal of Solomon, an Into the Bronze adventure   - Under the Seal of Solomon, an Into the Bronze adventure for the RPGLATAMJAM
VISIGOTHS vs MALL GOTHS   - There are a lot of bisexuals. (ENnie Nominated for Best Writing in 2020!)
Delve Too Deep   - A system-neutral fantasy one-shot adventure
World of Dungeons   - Simple, quick, dungeon-crawling action
Thousand Empty Light   - A solo Mothership adventure set in an underwater tunnel
Bumbling   - A solo RPG about bees
If you like Dream Aflame check out...
Detail   - A worldbuilding game for 1-5 players
3 Kids in a Trenchcoat   - Stuck in detention, it's time to devise a “fool-proof plan” to get out of it 3 kids stacked at a time.
Faire Season   - A Dream within a Game.
/dia   - a solo lyric game.
Compromise//Empire   - A 2-3 player GMless game about resisting Empire
Courier   - A solo exploration RPG about delivering cargo across a post-apocalyptic wasteland.
There's Something in the Ice   - A survival horror RPG set in a frigid wasteland
Short Film   - A Little Game About Making Little Movies
Dévoyée   - Un jeu de rôle littéraire hybride pour deux personæ
Surreal Estate   - Create bizarre houses. Engage in psychic combat.
Relics of Danoria   - A Push-powered fantasy adventure game
Endure   - a survival roleplaying game