worm.length.start=3
worm.max.turns=1000
worm.timeout.seconds=1
reports.dir=target/drooms-reports
report.file=report.xml
worm.survival.bonus=1
worm.max.inactive.turns=3
playground.file=src/main/resources/boxes.playground
collectible.probability.cheap=0.1
collectible.probability.good=0.08
collectible.probability.extreme=0.05
collectible.expiration.cheap=40
collectible.expiration.good=30
collectible.expiration.extreme=20
collectible.price.cheap=1
collectible.price.good=3
collectible.price.extreme=10

worm.length.start=3
worm.max.turns=1000
worm.timeout.seconds=1
reports.dir=target/drooms-reports
report.file=report.xml
worm.survival.bonus=1
worm.max.inactive.turns=3
playground.file=src/main/resources/boxes.playground
collectible.probability.cheap=0.2
collectible.probability.good=0.1
collectible.probability.extreme=0.05
collectible.expiration.cheap=40
collectible.expiration.good=30
collectible.expiration.extreme=20
collectible.price.cheap=1
collectible.price.good=3
collectible.price.extreme=10

Increase probability of collectible appearance.
Increase probability of collectible appearance.