Games like Lost Letter

Idle World is a single-player simulation game where you harness black holes and master elements from the nano scale to entire galaxies to build your own universe. Featuring amazing graphics, great music, and engaging gameplay, it offers a deep, grinding experience. However, it is somewhat marred by frequent advertisements.

Strongblade is a vibrant, match-3 puzzle adventure with an irresistible charm. As Sean the Mouse, you'll navigate through a stunning world full of puzzles and obstacles, make friends with lovable animal characters, and outsmart crafty villains. The game features over 30 distinct mechanics and thousands of levels, each packed with thrilling power-ups and combinations. Beyond just solving puzzles, …

TIMEframe is a single-player adventure game with a deep, engaging story and delightful visuals. It features a relaxing, dynamic soundtrack and a unique polygonal art style. With a short playthrough time and high replayability, TIMEframe offers a thoughtful, meditative experience that reveals new intrigue and history with each loop.

In Train Valley 2, players build and manage train routes in European cities during the 1800s, facing increasingly complex challenges that test their time management and strategic skills. The game features a campaign mode with 35 levels, sandbox mode, and multiplayer, with various trains, landscapes, and weather conditions to add variety. Players must ensure the safety and efficiency of their trains while expanding and upgrading their rail network to meet demand and turn a profit.

FRACT OSC is a musical exploration game where you decipher an abandoned world built on sound. By solving puzzles and shaping sound, you restore the world and unlock tools to create your own music in the FRACT studio, which can be saved, exported, and shared. The game features stunning visuals and an evolving score.

"House Builder" is a simulation game that allows players to design and construct their own houses. With various tools and materials, players can create unique homes and manage resources to complete projects. The game also features a free-build mode, landscaping options, and a sharing platform to showcase your creations or download others' designs.

Tiny Rails is a management simulation game where players build and expand their very own railway company. Customize trains, collect resources, and complete missions to connect and upgrade stations across a pixelated 2D world. Compete with AI-controlled competitors as you strive to become the dominant railroad tycoon.

"Cell to Singularity: Evolution" is a cosmic clicker game that lets you explore the story of evolution, from the beginning of life on Earth to the potential future of humanity. Tap to progress through the stages of evolution, unlocking milestones such as the extinction of dinosaurs and the discovery of fire. With countless hours of addictive gameplay, this game offers a fascinating and accurate depiction of human evolution.

The Dream Globe invites you to manage a tiny home inside a magical dream world where independent inhabitants thrive. Strategically purchase upgrades to enhance productivity while exploring diverse dream regions filled with unique resources. Collect over 100 gemstones, crops, and foods as you nurture this enchanting, fully idle simulation.

Worldwide Rush is a global passenger transportation and management simulation where you build headquarters, assemble fleets, and connect cities with strategic routes. Optimize your network for profit while investing in hotels and marketing to attract more passengers amidst rival companies. Procedural destination generation and diverse challenges offer endless replayability in your quest to dominate the transport industry.