Top similar games like The Big Book of Monsters:

An idle incremental arena survivor where you fight waves of enemies, collect loot, and grow stronger every run. Choose from three classes, forge gear, run a shop, tend a garden, and keep progressing even while you're away.

Idle Dungeon Crawling x Incremental Clicker: Experience the thrill of limitless growth. Master hero synergies and upgrade priorities to bring strategic depth to every dungeon run

Collect resources, craft armaments then sell for some coins. Set in medieval fantasy world where you play the role as a merchant selling armaments for adventurers or warriors alike. As long as coin is involved, it's nothing more than a business.

Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!

An incremental RPG where you reincarnate through lifetimes, mastering professions, unlocking skills, and exploring mystical realms.

A deep idle RPG with 26 skills, class-based progression, and wave-based dungeon combat. Train skills, craft gear, build your estate, and automate production. Progress keeps ticking even when you're offline.

Tap and idle your way through 40 areas with adorable catgirl and bunny girl companions! Level up your crew, trigger powerful skills, and prestige for Stardust in this cute pixel art idle RPG with a full original soundtrack.

Wyverns have stolen the Kingdom's Light! Rebuild the Keep, grow stronger and gear up to defeat the Wyvern Queen and restore magic to the Kingdom.

Goblinleri vur, ordunu büyüt ve her dokunuşta hızını koru. Tam ekran oyna ya da başka şeylerle ilgilenirken oyunun ekranın alt kısmında sessizce çalışmasına izin ver.

Slay monsters and get through the campaign that includes alot of monsters, raids and other challenges. Upgrade yourself and your companions to beat those horrible monsters Compete against friends to ranking list and complete all achievements in the game.

Build and manage a medieval graveyard while facing ethical dilemmas and making questionable decisions. Welcome to Graveyard Keeper, the most inaccurate medieval cemetery sim of the year.

Idle Chest is a simple incremental game where you open many chests, normal chests, golden chests, magic chests and other mysterious chests. Open chests, improve your chests, complete quests and loot rare equipments.

Land Drifters is an incremental RPG game that can be played idle or active. Explore islands, unlock new skills and combat classes, overcome obstacles, and more! The game is jam-packed with many paths of progression intertwined throughout the game!

A massive RuneScape-inspired idle RPG built for long-term progression. Train 24 skills, defeat bosses, collect over 500 souls, and bank offline time to accelerate your progress whenever you choose.

Become the ultimate Guild Master in a pixel art world! Manage your guild, craft epic gear, uncover a vast bestiary, and recruiting a diverse team of adventurers and workers. Prepare your heroes for battle and unravel the mystery surrounding your missing king!

This is a xiuzhen simulation placement game! From the refining of qi, building the foundation to the ascension of the celestial realm, crossed into the divine realm. （The game has been updated with the english mod, but you will need to select the "english" beta in the properties option to update it）

Greenhaven Realms is a fantasy medieval Idle RPG where players embark on epic adventures. Engage in thrilling combats, craft powerful items, gather resources, mine for treasures, trade goods, and explore vast lands. Build your kingdom and shape your destiny in the enchanting world of Greenhaven.

Kill monsters. Get loot. Get stronger. Then what? Kill BIGGER monsters. Get EVEN MORE loot. Upgrade. Upgrade again. Keep looting. Keep growing. How powerful will you be? Become the best monster looter in the world!

An Epic Incremental/Idle RPG

The concept of the game is simple you have couple poor skins, and it’s your job to turn it into a powerful inventory. Simply click on the case you wish to open. Collect money and open even more rare cases. Low on money? Sell some skins or open a free case.

Duncrush is a clicker RPG where you defeat monsters by clicking and conquer a variety of dungeons. Collect gold, weapons, shields, and accessories to power up your hero and create your own strategy with the skill tree. Battle stronger enemies and clear challenging dungeons!

Desktop Heroes is a unique idle RPG designed to be your faithful companion while you work. Set just above your taskbar, this game runs in the background, letting you build a team of courageous heroes, battle monstrous foes, and collect loot; all without disrupting your productivity.

Pop the top on some legendary action with Soda Dungeon, the fresh and fizzy hit mobile RPG adventure, now available on your desktop! Manage your team as you raid the local dungeons, upgrade your tavern, and attract new party members. Gold, legendary items, and more await you.

Magic Research is a text-based incremental game about Magic. You are the headmaster of a newly-created institution of Magic. Will you be able to lead your school to win the prestigious Tournament of Magic?

A Steam-Drop Clicker with real game mechanics in a high fantasy setting. Click for drops, then choose to combine them for stronger/rarer variants, equip them for power! Amass wealth and glory! Be the hero, assault the Demon Lord! (No fruit is harmed during gameplay)

Explore new lands, slay monsters, gather loot and level up in this idle MMO simulation experience. Packed with unique and meaningful upgrades, moments of discovery, and gaming nostalgia, World of Talesworth is an homage to all our favorite RPGs.

An idle incremental game where you decide to travel across the whole Universe. Embark on this journey in your little ship and get as far away as possible from Earth, gathering resources and upgrading your spaceship along the way.

A short incremental game where you play as a Healer in a party. Your main job is to keep your party alive. Upgrade 200+ skills in a skill tree, from healing to party damage. Designed to be completed in around 4 hours.

High Fantasy Idle is an idle RPG with unique class-based gameplay and hundreds of achievements and secrets to find. Level up by farming, battling, and researching while buying items and perks, then rebirth to find newfound power! Embark on a journey of fantasy and mystery to unravel your destiny.

This is an eerie clicker idle game with light puzzles and idle combat. Alice wakes in darkness, trapped in a strange mansion, seeking escape. The Cat God's altar drops gold, Rabbitfolk gather carrots, and dungeon monsters block the way... Can you accompany Alice to the final truth?

Always open at the bottom of your screen, this idle game lets you advance through stages full of monsters. Master different jobs and become the strongest.

Inspired by RuneScape, Melvor Idle takes the core of what makes an adventure game so addictive and strips it down to its purest form! This is a feature-rich, idle/incremental game combining a distinctly familiar feel with a fresh gameplay experience. Maxing 20+ skills has never been more zen.

You are a werewolf with your own inn. Mushroom folk live across the river, and noble white knights want you dead. Wolf With Inn is a cozy fantasy tavern simulator for those tired of being the hero. Dare to don the wolf's skin?

Spellario - it's a new fantasy RPG clicker. Learn new spells, increase your DPS, fight with danger mobs on 8 different locations. Get the loot and gold, buy equipment in the shop or craft it yourself.