Top similar games like The Big Book of Monsters:

Upload Simulator Silicon is an incremental game about uploading, making money, hacking, and ascending as a powerful entity that controls the very laws of the universe using powerful technologies you discover throught your journey.

Unleash ancient powers and master the art of Celestite in an epic idle clicker RPG where you shape the fate of a medieval world. Discover skills, forge legendary tools, and uncover lore as you build your legacy in a land steeped in cosmic energy. Click your way to greatness and watch Mythaven rise!

Is a simulation and clicker game where players become a skilled carpenter surviving in the wild. They complete contracts, improve carpentry skills, gather wood, and expand their settlement. The ultimate goal is to craft quality furniture and thrive in the challenging environment.

This is a game about automatical upgrades and unlocking of resources The game plays by itself while all you do is upgrade your hero... and attempt to move even further in the dungeon and by doing that growing in strength.

Medieval Idle: Quest is a captivating game that will transport you back to the middle ages. This idle game combines the elements of simulation and strategy to create a truly engaging experience for gamers of all ages.

Idle Vikings Clicker is a fun and immersive clicker game. It's easy to learn, but contains many various mechanics, so you could spend hours and hours playing it and trying different tactics.

Fabergegg - the ultimate clicker game! Every 3 hours, get chests or keys with unique items. Unlock chests for rare Faberge eggs. All items have properties and rarity, and are tradable.

Piece Quest is an idle RPG game. Gather resources, upgrade buildings, level-up your heroes and assemble your party to create the synergy needed to defeat the strongest bosses. With offline progress included.

Get ready to dive into the colorful world of emojis like never before! In Emoji Clicker, your mission is simple: collect, upgrade, and dominate with the most diverse and powerful collection of emojis!

Retro inspired clicker game. Click to battle monsters or leave idle to auto battle. Collect coins, upgrade stats, level up, and slay bigger monsters. Earn coins and unlock bonuses to ramp up your income. Switch between 5 classes with unique gimmicks. Achievements galore for every character.

From the manufacture of monoatomic hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon, to the creation of the earth, from apes to Homo erectus, to nuclear weapons, rockets, to artificial intelligence, to exploring the universe.

Experience a unique mix of RPG and slot games!

Monkeys eat bananas to unlock loot boxes! Every 1,000 bananas eaten earns you a loot box filled with new monkeys and even more bananas.

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!

Lord Clicker combines Clicker and Tower Defense in one game. Click to accumulate gold coins and make your choice: buy populace to generate wealth on your behalf, or hire men to defend your village.

Pull legendary swords from stones, upgrade your forge, trade with factions, and craft artifacts in this idle clicker game of medieval mastery.

Animal Workforce: Idle Tycoon Clicker is a simple and laid-back game that’s easy to jump into. Perfect for casual play, it lets you unwind and progress at your own pace, all while collecting rewards and achieving upgrades. There are also plenty of easily obtained Steam Achievements!

A relaxing farming simulator game that has the player focusing on resource management by maintaining crops growing, watering farmland, building additional structures for extending the stock.

Introducing Muggo Clicker, the addictive idle clicker game! Muggo, the adorable alien who loves clicks. Each click raises your counter and offers a chance for epic drops. Equip, flaunt, or trade your treasures. Click, collect, and conquer – who knew clicking a Muggo could be this fun? Start now!

A simple placement game, which only needs to set the role to fight, can achieve full automatic combat.

Ana’s farm is a peaceful idle game. With more and more crops and props on the field, you can unlock new picture book content step by step. Start your venture in this fantasy space with your adorable companions!

Click and create small balls. Progress and earn money. Unlock new features. It's so much fun to earn idle money.

This is an IDLE game inspired by all those RPGS we play... In this game you will be maxing several stats and crafting equipment and improving them to move further in the Battle Zones.

Can mine, can fight, and has sisters, collecting more than 30 types of ore such as iron ore, copper ore, manganese ore, chrome ore, vanadium ore, titanium ore, etc. Team up to break through the 100th floor

Click the Pineapple and collect them all!

Heads or tails? Coin Flipper is an idle clicker game that is all about flipping lots of coins. Upgrade your coin flips and get even more coins to flip!

An idle RPG where your loot matters. Optimize your equipment, defeat mighty foes, perform dark rituals and enjoy a medieval tale of revenge in a twisted version of Brazil. Elite enemies challenge how optimized your build is while random-free combat ensures attacks never miss.

Fidget Spinner Editor - you can choose and assemble your favorite Spinner by selecting your Spinner Parts from the menu and put them together. And spin your spinner to see how many rounds your spinner spinned. If you're looking for the best Fidget Spinner simulator game, you've found it!

Pug'llector is a clicker game where you can invest into various upgrades, buy backgrounds and all about collecting a diversity of pugs, you'll get pugs while you play. Become a Pug'llector yourself.

Naxos is like all of my other games! I just feel like there arent many Auto Battle RPGS out there.... I really want to keep moving the genre forward!

An entire town builder experience packed into a living spreadsheet. Build housing, assign workers, then craft and sell a huge variety of items to level up your town and expand your civilization across the world!

Unbox some of the most exotic Weapons and Armors skins in this brand new game. Collect and improve rare Weapons and Armors.

The land has been overrun by evil dragons It needs a leader to bring peace to the land. Start by clicking on the dragon to kill them, and collect coins. Spend that coin on your power and allied Heroes to get more damage. The more damage you deal, the more coins you will get.