Games like Project Iridium
Project Iridium. These games share the most with it, and each one says why.

IncreKnight
Also short, fantasy, incremental
A knight fights through a dragon's lair, selling monster loot for skills, spells and weapons until he can face the dragon. Brief and focused.
88% steamhas ending
Magic ArcheryUpdated
Also short, fantasy
Train an elf commoner into a master archer by shooting targets, taking quests for gold and buying magic upgrades in a brief, hands-on climb with a set ending.
98% steamhas ending25% idle
Ink Remnant
Also short, exploration
A short incremental where a mage starts with nothing in a magical city and researches upward, with new systems revealed as the story unfolds.
4.6★ galaxy
What Lurks Below
Also short, exploration
A 30-minute game jam incremental set in 1881, where you push deeper beneath the town of Old Gloomhollow to find what is down there.
4.6★ galaxy50% idle
Garbage GrowthUpdated
Also short, incremental
Pick up trash that people throw at you, add more polluters and hire rats to automate collection. A short, crude incremental with a skill tree.
91% steam3.9★ galaxy
Mine Your Way Out 2
Also exploration, short
Dig through a fully destructible pixel world and upgrade your gear to escape the underground, in about an hour.
4.4★ galaxyhas ending
Cavern Crawler
Also short, exploration
A short prototype where you repeatedly crawl through caverns and grow stronger between attempts; all content fits in under an hour.
4.3★ galaxy
Unnamed Fantasy Waiting Game
Also fantasy, exploration
Wake alone in a magic-ruined world and stretch scarce resources while waiting, reading and uncovering what happened.
4.5★ galaxy
The Greenening
Also short, exploration
Water an ash-covered planet to reveal what lies beneath, upgrade your abilities, and tend a garden aboard your spaceship in about three hours.
96% steam50% idle
NG Space Company
Also incremental, exploration
A space incremental about mining resources, exploring between stars and conquering systems.
4.2★ galaxy
Planar PioneersDormant
Also incremental, exploration
Gather resources and use them to travel to procedurally generated planes, inspired by Minecraft dimension mods.
4.1★ galaxy
Incremental Universe v1.2Dormant
Also incremental, short
A small, lighthearted incremental with roughly an hour or so of content in its current build.
4.0★ galaxy
Legion BreakerUpdated
Also short, fantasy
Hold off undead hordes as a battlemage, casting spells and raising a holy army.
4.2★ galaxy
The Depths of Xia'phas
Also exploration, short
Explore a strange cave, gathering and crafting odd items in search of an artifact that can save your flooded village.
4.1★ galaxy
Tab IncrementalUpdated
Also incremental, short
Open and close browser tabs to earn RAM, managing memory and cache as you buy upgrades for more tabs.
4.0★ galaxy
Found it, Mountain?Updated
Also short, exploration
A 10 to 15 minute game about searching a foggy world for mountains across three stages, buying upgrades between trips.
4.1★ galaxy
Incremental Buildings
Also short, incremental
Build and upgrade buildings for points in a roughly one-hour game made entirely in Desmos, with no saving.
4.0★ galaxy
GLONK
Also short, incremental
Feed a hungry creature called Glonk to earn gold, spend it in a skill tree and add more Glonks. Short, with an ominous twist to its appetite.
89% steam
Prime TimeDormant
Also incremental, short
A short incremental that mixes math and music to generate an ever-longer song.
3.8★ galaxy
Spirit Dungeons: Legacy
Also incremental, fantasy
A defeated necromancer rebuilds an undead army and turns righteous in this tiny js13k incremental.
3.7★ galaxy75% idle
Idle Chapel DemoUpdated
Also incremental, fantasy
Click to hunt down members of a dark cult and turn their devotion into power in this dark-fantasy incremental.
3.9★ galaxy
Chaos Time And SpaceDormant
Also incremental, short
An older, no-longer-updated incremental with only a small amount of content.
3.7★ galaxy
Snail Facts!
Also incremental, short
Learn facts about snails, then help them conquer the world in a 15-minute incremental.
3.8★ galaxy
MFI Metro
Also incremental, short
A short browser incremental about growing a train network into an empire.
3.7★ galaxy