Challenge

  • Ladder with light bulb in cloud on top
  • Target with red crossbow and arrow
  • Single-colored Rubik's Cube in 3D optics
  • Three Lego bricks stacked into small pyramid
  • Chess piece graphics with different optics
  • Hidden person digging a hole with shovel
  • Gold medal with laurel wreath hanging on ribbon
  • Yellow golf course flag in hole with rings
  • Rural landscape with snowy mountain peaks and clouds
  • Open door with view of blue sky
  • Man climbing ladder to open door with sky
  • First place award medal with ribbon
  • Laptop with square academic graduation cap on top
  • Certificate with medal and ribbon decoration
  • Round laurel wreath as award
  • Half a picture of a man climbing stairs
  • Stressed man with four arms for multitasking
  • Mountain chain with flags as process steps
  • Infographic of climber cresting mountain peak with flag
  • Two hands giving thumbs up and thumbs down
  • Hand giving thumbs up with text bubbles
  • Hand made of puzzle pieces giving thumbs up
  • Hand giving thumbs up with hanging calendar sheet
  • Astronauts and space shuttle standing on moon with orbit
  • Astronaut in spacesuit between two orbiting planets
  • Silhouette of pondering man sitting in desk chair
  • Silhouette of a runner in the starting block
  • Classic analogous alarm clock with two bells
  • Raised hand with closed fist holding a pencil
  • Yellow bolt cutter with handles
  • Hammer driving nails into a wooden board
  • Hack saw with dissected wooden board
  • Manual panel saw with yellow handle
  • Axe splitting a chopping block
  • Electric chain saw dissecting a tree trunk
  • Hand of businessman holding a stop watch
  • Businessman's hand making thumbs up gesture
  • Right arm with raised clenched fist
  • Left hand making a thumbs up gesture
  • Left hand giving thumbs down