Games like Project Kunai

Clustertruck is a platformer game where you jump and maneuver on top of speeding trucks in hazardous situations. The game features a campaign mode with increasing difficulty, and various abilities to unlock such as a grappling hook and truck cannon. It also includes a level editor, replay system, and online leaderboards for sharing and competing with others.

Grapple! is a parkour game built for speedrunning. You're tasked to reach the end of the level only with the aid of a grappling hook & glider.

"Almost There: The Platformer" is a challenging precision-platformer where players navigate through dangerous obstacles and deadly traps. With minimalist art style and tight controls, the game tests your reflexes and strategic thinking across 150 levels. The goal is to reach the end of each level with maximum efficiency and speed, unlocking new characters and customizations along the way. However, 'almost there' might not be good enough.

404Sight is a free game made in support of net neutrality. It’s a 3D playground runner influenced by parkour running with the addition of a special ping ability that reveals areas that can speed the player up or slow them down.

RITE is a single-player platformer game with exceptional mechanics and fantastic graphics. Players must conquer a series of challenging trials, finding keys and reaching exits to progress through 160 levels. With fluid controls, lush pixel art, and an original soundtrack, RITE is a must-play for fans of the platformer genre.

FrostRunner is a first-person platformer “speedrunning” game, where the player rapidly completes platforming challenges before the timer runs out. Using their tether tool, players compete to finish each of the 36 unique levels as quickly as possible and earn a place at the top of the leaderboards.

"Adverse" is an arcade first-person shooter platformer set in a beautiful yet corrupt world. Fight through swarms of enemies across 8 worlds and 40 levels using a bow and arrow, with fluid movement and combat mechanics. Compete for high scores on global leaderboards, with rankings based on speed, accuracy, and efficiency.

Cyber Hook is a fast-paced, 3D platformer that combines parkour movement with grappling hook action and laser gun fights. Players must navigate through a series of 70+ levels, using their skills and tools to scale walls, avoid obstacles, and defeat enemies. With the ability to warp time and manipulate physics, Cyber Hook encourages players to think creatively and forge their own path.

"Inertia" is a single-player platformer game built around fluid free-running movement mechanics, featuring 48+ levels with increasing difficulties, global leaderboards, and level editor/creator with workshop support for community-made levels. Developed in Unreal Engine 4, it boasts outstanding visuals and phenomenal music, with support for both keyboard/mouse and controllers.

"Camera Obscura" is a puzzle-platformer game where you ascend a crumbling tower using an 'afterimage' mechanic to clone and manipulate the architecture, creating paths and solving puzzles. With 57 levels, the game offers multiple paths to the summit and a custom level editor for player-created challenges. Use your photographic skills to freeze moving platforms, cage enemies, and eventually reach redemption.