1. Launch the game "Pixel Hardcore" on your mobile device.

2. Tap the screen to start the level.

3. Use the on-screen directional buttons to move your character left or right.

4. Tap the jump button to leap over obstacles or reach higher platforms.

5. Explore the level carefully to locate a hidden or hard-to-reach key.

6. Avoid hazards such as spikes, moving traps, and enemy creatures.

7. Time your jumps precisely to navigate narrow ledges and moving platforms.

8. Once you collect the key, search for the locked door to complete the level.

9. Reach the door without dying to successfully finish the stage.

10. If you fall into a trap or get hit, the level restarts from the beginning.

11. Practice your movements and timing to master challenging sections.

12. Progress through increasingly difficult levels with new obstacles and layouts.

13. Stay patient and persistent—some levels require multiple tries to complete.

14. Unlock new stages by completing current ones without skipping.

15. Enjoy the pixel art style and retro-inspired gameplay as you advance.