ResearchBenchmarksSafe Continual Reinforcement Learning on Damaged HalfCheetah VelocityFollow2,078.8Final RewardPPO441.944866.8971,291.851,716.803Apr 21, 2026Evaluation ResultsMethodMethodLinksFinal RewardNormalized ForgettingTotal CostsPPO2026.042,078.80.2427,368.4CF-EWC2026.042,067.10.2216,293.5PPO+EWC2026.042,036.60.2426,422.6Safe EWC2026.041,631.30.18393.1PPO-Lag2026.041,553.50.284830.6CPO2026.041,536.30.588495.5CPPO-PID2026.041,487.80.242576.5Exp. Replay2026.04504.90.173666.7