Protect open space early
At the start, do not rush to hug the edges. Staying near the middle gives you more freedom to correct a bad turn.
Snake Guide
Snake Guide
Snake becomes much calmer when you protect space first and chase candy second.
Core Habits
Use wide loops later on
Once the body gets longer, a gentle looping route is much safer than sharp turns and last-second adjustments.
Check the escape route before the candy
A candy is only worth taking if the next one or two moves still leave breathing room.