Instead of one massive image, build your world with Tilemaps . This uses small, repeatable textures to save memory and allows for easier grid-based collision detection.
The "feel" of a scrolling game depends on how the world moves around the player. Programming 2D Scrolling Games
Before writing your first line of code, pick a tool that fits your technical comfort level. Instead of one massive image, build your world with Tilemaps
Unity is a top choice due to its dedicated 2D physics engine and extensive Asset Store . GameMaker Studio 2 is specifically optimized for 2D, powering hits like Undertale . Instead of one massive image
Godot is highly recommended for its lightweight architecture and beginner-friendly GDScript. For web developers, Phaser is a powerful JavaScript-based library. 2. Core Mechanics: Creating Depth and World-Building