Issues

• Exact simplex projection can return probabilities summing above one at the maximal floor

  google-deepmind/open_spiel#1638 · Filter by author sylvesterkaczmarek opened on Oct 7, 2026

• Sliding strategy averages retain mutable inputs instead of submitted values

  google-deepmind/open_spiel#1635 · Filter by author sylvesterkaczmarek opened on Oct 6, 2026

• Boltzmann population dynamics return NaNs on simplex boundaries

  google-deepmind/open_spiel#1633 · Filter by author sylvesterkaczmarek opened on Oct 6, 2026

• Interest check: full Scotland Yard as a benchmark game

  google-deepmind/open_spiel#1632 · Filter by author Jacopo888 opened on Oct 5, 2026
  2

• Add extra_info game tansformation

  google-deepmind/open_spiel#1630 · Filter by author gmweinberg opened on Oct 1, 2026

• games: add game "Setback" (Partnership Pitch)

  google-deepmind/open_spiel#1629 · Filter by author adamskijow opened on Oct 1, 2026

• games: add game "Onitama"

  google-deepmind/open_spiel#1623 · Filter by author SankalpSundarr opened on Sep 22, 2026

• Admin change

  announcement
  google-deepmind/open_spiel#1621 · Filter by author lanctot opened on Sep 18, 2026
  1

• Bridge dealer wrong ObservationTensor

  google-deepmind/open_spiel#1619 · Filter by author rysios opened on Sep 17, 2026

• lp_solver: solve() returns None on solver errors, so is_dominated() can return a wrong answer

  google-deepmind/open_spiel#1617 · Filter by author SayedZahur786 opened on Sep 14, 2026

• Document Bots and RL agents

  contribution welcomedocumentation
  google-deepmind/open_spiel#1607 · Filter by author gmweinberg opened on Sep 2, 2026
  4

• Implement NashPG (Nash Policy Gradient): a Simple PPO-Based Nash Solver

  contribution welcome
  google-deepmind/open_spiel#1596 · Filter by author easonyu0203 opened on Aug 29, 2026
  1

• Feature proposal

  google-deepmind/open_spiel#1586 · Filter by author radajakub opened on Aug 7, 2026
  10

• transposition table ?

  google-deepmind/open_spiel#1582 · Filter by author brunoscherrer opened on Jul 30, 2026
  1

• Add game "Fox and Geese"

  google-deepmind/open_spiel#1581 · Filter by author Stochastic-Batman opened on Jul 29, 2026

• Add game "Belote"

  google-deepmind/open_spiel#1577 · Filter by author tpemeja opened on Jul 24, 2026

• Interest check: multi-agent reward-hacking / matched-proxy game environments?

  google-deepmind/open_spiel#1563 · Filter by author Aarav500 opened on Jul 10, 2026
  1

• games: Add game "Skull"

  google-deepmind/open_spiel#1559 · Filter by author Popret opened on Jun 20, 2026
  3

• Publish game specific struct design documentation

  google-deepmind/open_spiel#1556 · Filter by author Popret opened on Jun 12, 2026
  3

• [Feature] Support bfloat16 mixed-precision in AlphaZero_Torch

  google-deepmind/open_spiel#1548 · Filter by author shivansh023023 opened on May 23, 2026
  1

• Windows installation via pip/PyPI support in beta

  announcementWindows
  google-deepmind/open_spiel#1531 · Filter by author lanctot opened on May 1, 2026
  7

• games: add the Gobblet game

  google-deepmind/open_spiel#1522 · Filter by author fumin opened on Apr 25, 2026

• Please Read Before Submitting a Pull Request

  important
  google-deepmind/open_spiel#1511 · Filter by author lanctot opened on Mar 30, 2026

• Gemma colab issue

  google-deepmind/open_spiel#1496 · Filter by author alexunderch opened on Mar 11, 2026
  2

• Policy Gradient algorithms' issues

  google-deepmind/open_spiel#1486 · Filter by author alexunderch opened on Feb 27, 2026
  1